Question

Help

Answer 1

Press watch a video

Answer 2

The video should help you out

Answer 3

You can also press use a hint

Answer 4

if u use a hint u get no credit

Answer 5

ya i tried that but i am still confused

Answer 6

ok so you see how they read 55 pages an hour? and how there is 350 pages left?

so i think since x is number of pages, and y is the amount left, what i would do is
y=-55x+350 because if i was graphing it, i'd subtract 55 pages per hour (-55x) and we started with 350 pages left (+350)

does this make sense?

Answer 7

yes it does

Answer 8

ok uhm so if that's wrong then idk lmaooo

i mean i can figure out how many pages are in the book.

i'm kinda confused ngl

Answer 9

so the awnser it y=55x+350 right

Answer 10

ok

Answer 11

\(\color{#0cbb34}{\text{Originally Posted by}}\) @mxddi3
i think you may have to solve for the hourly rate tho...bc it says number of pages left and hours.

uhm lemme ask knight cuz i think you have to substitute 4 for x and then get the amount in the book to find the equation of the how many pages per hour...so yh lemme ask dark
@darkknight
\(\color{#0cbb34}{\text{End of Quote}}\)

Answer 12

yuhhh i think u have to take the y=-55x+350 and put the 4 in place of the x and then you will get total pages.

and then from there you can do y=-55x+_____
but fill in the blank with the number you got from plugging the 4 in.

try tht

Answer 13

y=570 ?

Answer 14

yuhh but you gotta fill in the blank the way i showed you.

but im terrible with word problems,so i'd wait for dark to help yu

Answer 15

@darkknight is that right or na

Answer 16

he's in class rn as well, so please be patient with him : )

Answer 17

ok

Answer 18

anyone can awnser

Answer 19

x = number of hours
y = number of pages left to read

They are reading at a rate of 55 pages per hour
This means the slope is -55
Each time x goes up by 1, y goes down by 55
You can think of it as
slope = rise/run = -55/1

So m = -55

We are told that after 4 hours, there are 350 pages left. This means (x,y) = (4, 350) is one point on the line

Plug m = -55, x = 4 and y = 350 into y = mx+b and solve for b to get the y intercept
So you need to solve 350 = -55*4+b for b

Answer 20

b=570?

Answer 21

Correct, so y = mx+b updates to y = -55x+570

We can check by plugging x = 4 into that equation to get
y = -55x+570
y = -55*4+570
y = -220+570
y = 350
Which matches what the problem told us (after 4 hours, there's 350 pages left to read)

Answer 22

lmao, no offense, but i literally already said that....

Answer 23

oop

Answer 24

so does this user have their answer already or...
Where are we stuck?

Answer 25

never mind i figured it out

Answer 26

did you get y = -55x+570?

Answer 27

^i literally said tht but i said to fill in the blank of y=-55x+____

Answer 28

Yeah mb, lots of replies I couldn't see everything, and someone else also jumped in