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Mathematics 7 Online
OpenStudy (swagster23780):

On the debate team, there are 2 coaches for every 15 team members. There are 6 coaches for the team. How many team members are on the debate team?

OpenStudy (anonymous):

45

OpenStudy (swagster23780):

thanks can you help me with some more

OpenStudy (anonymous):

2x3=6 15x3=45

OpenStudy (anonymous):

sure

OpenStudy (swagster23780):

What is the unit rate for 950 miles in 19 hours

OpenStudy (anonymous):

what do you mean unit rate?

OpenStudy (anonymous):

like how many mph?

OpenStudy (swagster23780):

don't know thats what the question says

OpenStudy (anonymous):

I think that is what they mean then if they aren't any clearer. 950/19=50 so 50mph

OpenStudy (swagster23780):

What would the unit rates be for a man who walked 20 mi in 5 h

OpenStudy (anonymous):

same concept as the one before. you take the distance and divide it by the time. so 4 mph

OpenStudy (swagster23780):

Peter drove 1000 mi in 4 hours. At that rate, how far would he drive in 3.5 hours

OpenStudy (anonymous):

1 hour = 250 miles 3.5 x 250= 875

OpenStudy (anonymous):

any more?

OpenStudy (swagster23780):

Rita made $144 mowing 24 lawns. At that rate, how much would she make mowing 27 lawns? A. $126 B. $162 C. $189 D. $216

OpenStudy (swagster23780):

@killerdime20

OpenStudy (anonymous):

B. 144/24=6. that means for every lawn mowed you get $6. you want to mow 3 more lawns which is $18. 144 + 18= 162

OpenStudy (swagster23780):

Which rate is the best deal for a bottle of mustard? A. $1.26 for 6 oz B. $1.65 for 8 oz C. $2.42 for 12 oz D. $3.30 for 16 oz

OpenStudy (anonymous):

I feel like that is a trick question all depending on how much mustard you want lol

OpenStudy (swagster23780):

no

OpenStudy (anonymous):

i was joking around as im doing the math lol

OpenStudy (swagster23780):

k

OpenStudy (swagster23780):

oooooooo okay

OpenStudy (anonymous):

C. the price per ounce is .201 For B and D the price per ounce is .20625 For A the price per ounce is .21

OpenStudy (swagster23780):

so wwhich one

OpenStudy (anonymous):

C

OpenStudy (swagster23780):

Three pounds of oranges cost $6.45. How many pounds of oranges can a shopper buy for $15.05 @killerdime20

OpenStudy (anonymous):

7 Each pound of oranges costs $2.15. This is found by taking $6.45 and dividing it by 3 Next you divide 15.05 by 2.15 to find out how many pounds of oranges you can buy

OpenStudy (swagster23780):

Hector ran 63 mi last week. He ran the same number of miles each day. How many miles did Hector run each day @killerdime20

OpenStudy (anonymous):

63/7=9

OpenStudy (swagster23780):

Becky can canoe 6 km down the Shawnee River in 1 h. At that rate, how far can Becky canoe in 3 h

OpenStudy (anonymous):

18 km

OpenStudy (swagster23780):

Which rates are unit rates? Choose all answers that are correct. A. 4 yd/carry B. C. 20 baseball players for every 2 coaches D. 3 cups per batch

OpenStudy (swagster23780):

@killerdime20

OpenStudy (anonymous):

what is b?

OpenStudy (swagster23780):

35mi/1.gal

OpenStudy (anonymous):

all but C

OpenStudy (swagster23780):

you deserve 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 medals

OpenStudy (anonymous):

I just try and help as much as I can :)

OpenStudy (swagster23780):

Maria biked 5 km in 1 h. What is the unit rate, in h/km

OpenStudy (anonymous):

.2 hours/1 km .2 hours is 12 minutes. you could put it in hours or minutes. I doubt your teacher is going to be very picky on that one

OpenStudy (swagster23780):

ssooo

OpenStudy (anonymous):

I would go with .2 hours/1 km

OpenStudy (swagster23780):

A cowboy rode his horse 45 miles at 15 and then rode another 35 miles at 10 . How long did the ride last? A. 6 h B. 6.5 h C. 60 h D. 65 h

OpenStudy (swagster23780):

15 mi/h 10mi/h

OpenStudy (anonymous):

B

OpenStudy (swagster23780):

Mallory rides her motorcycle at a rate of 20 mi/h. If she rides at a steady rate, what distance does she travel during a 2.5 h ride?

OpenStudy (swagster23780):

Distance (mi) 20 30 35 60 Time (h) 1 1.5 1.75 2.5 3

OpenStudy (anonymous):

50 miles

OpenStudy (swagster23780):

Which equation could be used to solve the problem? Larry skated 7200 feet in 3 minutes. How many feet per minute did he skate (x)? A. 7200 feet • 3 minutes = x B. 7200 feet + 3 minutes = x C. 7200 feet ÷ 3 minutes = x D. 3 minutes ÷ 7200 feet = x

OpenStudy (anonymous):

c

OpenStudy (swagster23780):

Which equation could be used to solve the problem? Tony is on a train that travels 99 mi in 1 h. At that rate, how many miles (d) will the train travel in 9 h ? A. d = 99 + 9 B. d = 99 ÷ 9 C. d = 9 ÷ 99 D. d = 99 • 9

OpenStudy (anonymous):

D

OpenStudy (swagster23780):

What is the unit rate with the second given unit in the denominator? 792 days to build 8 houses

OpenStudy (anonymous):

This is gonna have to be the last one tonight. I gotta head to bed. Sorry I can't help more. but it is the first one. 99 days/house

OpenStudy (swagster23780):

k thanks ssssssssssssssssssssooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo much

OpenStudy (swagster23780):

one more

OpenStudy (anonymous):

if its quick I can do it

OpenStudy (swagster23780):

Create an expression to find the time for the given distance and rate, and find the value of the expression.

OpenStudy (anonymous):

let t be time tr=d 15t=90 divide both sides by 15 t=90/15 t=6 hours

OpenStudy (swagster23780):

thanks bye

OpenStudy (anonymous):

no prob bro. I'll be back tomorrow if you still need me

OpenStudy (swagster23780):

are all the answers correct

OpenStudy (swagster23780):

@killerdime20

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