Kiles14:
Addison earns a fixed hourly rate working as a sales clerk. If she works on a holiday, she earns a different hourly rate than she earns on a regular day. In one week, she earns $188.50 by working 5 hours on a holiday and 16 hours during regular days. A different week, she earns $254.00 by working 8 hours on a holiday and 20 hours during regular days. How much more is Addison’s holiday hourly rate than her regular hourly rate?
shinedivneonebytime:
whats the important information
Kiles14:
i dont know its for math and i just needed help lol
shinedivneonebytime:
ok so if she earns $188.50
shinedivneonebytime:
and works 5 hours a day we should multiply the 16 hours by the 5 hours to get what?
Kiles14:
lemme see...80 :)
shinedivneonebytime:
good
Kiles14:
but then...
shinedivneonebytime:
theirs 20 hours right
Kiles14:
thats not an answer choice so...we need to do something else, right?
shinedivneonebytime:
yea
shinedivneonebytime:
were not done
shinedivneonebytime:
so if theirs $188.50 and $254.00 add those together
shinedivneonebytime:
ok hold up
Kiles14:
ok...
shinedivneonebytime:
do you know ratios
Kiles14:
i do but i don't remeber lmao
shinedivneonebytime:
ok so if this was a ratio it would be money and hours
Kiles14:
yeah :)
Kiles14:
but then im still not sure
shinedivneonebytime:
look at it this way im going to draw it out
Kiles14:
ok
shinedivneonebytime:
|dw:1607003216076:dw|
Kiles14:
so whats the next step?
Kiles14:
yk what
Kiles14:
we shoulda divided and then subtracted yk
Kiles14:
But thank you!
shinedivneonebytime:
welcome theirs this person named jjthompson he can help ha will be right here
Kiles14:
are you an adult?
shinedivneonebytime:
no i was just trying to help
Kiles14:
im not, i was just wondering cause your smart!
shinedivneonebytime:
thank you im only in 6th grade
shinedivneonebytime:
lol
Kiles14:
bruh
Kiles14:
im just bad at math ig
Kiles14:
im a freshmen smh🤣
shinedivneonebytime:
wowo
shinedivneonebytime:
wow
shinedivneonebytime:
i think jthompson is here
shinedivneonebytime:
hes gonna help you and me
Kiles14:
bett
shinedivneonebytime:
are you a boy cause most boys say bett
shinedivneonebytime:
smh
Kiles14:
no lmao
Kiles14:
im a girl
shinedivneonebytime:
wow same
Kiles14:
i say bett cause alot of my friends say it lol
jimthompson5910:
Let x = holiday hourly rate (dollars per hour) y = regular hourly rate (dollars per hour) She earns $188.50 by working 5 hours on a holiday and 16 hours during regular days. This means we can set up the equation 5x + 16y = 188.50 Do you agree so far?
shinedivneonebytime:
their jjthompson goes hes real good with math
shinedivneonebytime:
btw that question is for you
Kiles14:
oh yeeeeah mb lol
jimthompson5910:
its ok
Acolgrove:
i love the name in that question
jimthompson5910:
A different week, she earns $254.00 by working 8 hours on a holiday and 20 hours during regular days. So we can also form the equation 8x + 20y = 254 Agreed?
Kiles14:
ohh my gahh
Kiles14:
yeeeeeh
Acolgrove:
Addison is my name lol
Kiles14:
beautiful my gal i love it
Acolgrove:
aww thank u thats sweet
shinedivneonebytime:
kiles you got to be serious
Kiles14:
my name is kileyyyy
shinedivneonebytime:
i know but you got to be serious
Kiles14:
lol its all good thoo
shinedivneonebytime:
i mean idk you name but seriousness
Kiles14:
i answered the question already...it was wrong we dont speak on that
jimthompson5910:
So we have this system of equations \(\large \begin{cases}5x + 16y = 188.50\\8x + 20y = 254\end{cases}\) What we can do is multiply both sides of the first equation by 8 to get 8*(5x+16y) = 8*188.50 40x + 128y = 1508 which will update the first equation As for the second equation, we can multiply both sides by -5 to get 8x + 20y = 254 -5*(8x + 20y) = -5*(254) -40x - 100y = -1270 We have this new system of equations \(\large \begin{cases}40x + 128y = 1508\\-40x - 100y = -1270\end{cases}\) What's the next step from here? Hint: look at how the 40x and -40x combine to 0x or just 0
shinedivneonebytime:
wow now thats being a smartie
shinedivneonebytime:
kiley what are you talking about
Kiles14:
okay he is like really smart but kinda too smart for me, i answered the question but...i got it wrong and um...i do apprecite him alot yk...but im kinda stupid being 14 nd allat but idk my math very well theres somet hings i CAN do but mostly i CANT yk
shinedivneonebytime:
no what jjthompson can you help me instead
Kiles14:
I didn't know he was gonna come until after i answered im sorry
jimthompson5910:
As a quick alternative, you can graph each equation and see where they intersect. Desmos has the feature to be able to click on the intersection points and have the coordinates pop up.
jimthompson5910:
It's ok Kiles14
Kiles14:
you can call me kiley, but i am very sorry :(
jimthompson5910:
no worries kiley
shinedivneonebytime:
its fine im in 6th grade i make mistakes to i hate math and report cards comiing up this fridsay
jimthompson5910:
what was your question @shinedivneonebytime
shinedivneonebytime:
Janelle’s family went grocery shopping and bought 80 eggs. Janelle bought 20 eggs. What percentage of the total number of eggs did Janelle buy?
Kiles14:
okay lmao i be passing with C's nd B's sometimes A's but i try :)
jimthompson5910:
You already asked that one
Kiles14:
you two work it out
shinedivneonebytime:
ik but you didnthelp
jimthompson5910:
You found earlier that 20/80 = 0.25 which converts to 25% You effectively already got the answer
shinedivneonebytime:
Mr. Teague bought cards to celebrate the holidays. He sends 40% of the cards to his friends. He sent 56 cards. How many cards did he buy altogether?
jimthompson5910:
x = number of cards sent total 40% of x = 56 0.40x = 56 Solve for x. You'll need to divide both sides by 0.40
shinedivneonebytime:
so 40 divided by 0.40
jimthompson5910:
56 divided by 0.40
shinedivneonebytime:
or 56 divided o.40 equals 140
jimthompson5910:
yes, so 140 is the answer
shinedivneonebytime:
: Residents of a small city voted on whether to allow a developer to build a shopping center. The number of votes in favor of the shopping center was 4,400. The number of votes against the shopping center was 17,600. What percent of the total votes were in favor of building the shopping center?
jimthompson5910:
4400 voted in favor 17600 voted against how many total voted?
shinedivneonebytime:
it has answer chices
shinedivneonebytime:
A) 20 % B) 25 % C) 40 % D) 44 %
jimthompson5910:
add 4400 to 17600 to get what result?
shinedivneonebytime:
22000
jimthompson5910:
yes, now divide the number in favor (4400) over this total (22000)
jimthompson5910:
4400/22000 = ??
shinedivneonebytime:
0.2
jimthompson5910:
yep and then we move the decimal point to the right 2 spaces to get 20%
shinedivneonebytime:
Arianna made 80% of the cupcakes for a bake sale. She made 240 cupcakes. How many cupcakes were made altogether?
shinedivneonebytime:
thank you so much
jimthompson5910:
x = total number of cupcakes 80% of total = amount made for the bake sale 80% of x = 240 0.80*x = 240 To solve for x, divide both sides by 0.80 So you'll need to use your calculator to determine what 240/0.80 is equal to the / means division
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