# MATH

posted by SAM

Terry has completed 15 homework problems, and Susan has completed 9. Terry is completing 10 problems per hour, and Susan is completing 12 per hour. After how many hours will Terry and Susan have completed the same number of problems?
a. 3 hrs**** b. 4 hrs c. 5 hrs d 10 hrs

1. Ms. Sue

10, 20, 30, 40, 50, 60, 70, 80
12, 24, 36, 48, 60, 70

2. Ms. Sue

Three hours isn't right.

How many hours will it take for each of them to finish 60 problems?

3. Bor

It's 4 hours, it's not difficult.

4. Bor

Ms Sue, you had it wrong though haha.
It's:
15 9
25 21
35 33
45 45
55
65
75
85

## Similar Questions

1. ### math

terry shared three pizzas with some friends. terry ate 1/4 of them. how much pizza did terry eat?
2. ### arithmetic

terry shared three pizzas with some friends, terry ate 1/4 of them how much pizza did terry eat
3. ### economics

) The demand curve for haircuts at Terry barnyards Hair Design is P=20-0.20Q Where Q is the number of cuts per week and P is the price of a haircut. Terry is considered raising her price above the current price of \$15. Terry is unwilling …
4. ### managerial

The demand curve for haircuts at Terry Bernard's Hair Design is P=20-0.20Q where Q is the number of cuts per week and P is the price of a haircut. Terry is condering raising her price above the current price of \$15. Terry is unwilling …
5. ### math

Mike completed 19 math problems before dinner for tonight’s homework, and he completed x problems after dinner. Write an expression to determine the total number of problems he completed.
6. ### ECON

The demand curve for haircuts at Terry’s Hair Design is P=20-0.20Q Where Q is the number of cuts per week and P is the price of a haircut. Terry is considering raising her price above the current price of \$15.00. Terry is unwilling …
7. ### Algebra 1

Terry has completed 15 homework problems, and Susan has competed 9. Terry is completing 10 problems per hour and Susan is competing 12 problems per hour. After how many hours will terry and susan have completed the same number of problems …
8. ### algebra

terry earns \$6.50 per hour babysitting. a. write a rule to describe how the amount of money m earned is a function of the number of hours h spent babysitting. b. how much money does terry earn if she babysits for 4 hours and 15 minutes?
9. ### Algebra

terry earns \$6.50 per hour babysitting. a. write a rule to describe how the amount of money m earned is a function of the number of hours h spent babysitting. b. how much money does terry earn if she babysits for 4 hours and 15 minutes?
10. ### Algebra

terry earns \$6.50 per hour babysitting. a. write a rule to describe how the amount of money m earned is a function of the number of hours h spent babysitting. b. how much money does terry earn if she babysits for 4 hours and 15 minutes?

More Similar Questions