Mathematics

Lea Hanna

15 October, 18:27

1.) At a local grocery store, 2 pineapples cost $2.78. How many do 5 pineapples cost?

A. $6.95

B. $7.95

C. $8.95

D. $9.95

2.) E is inversely proportional to F. If E=32 when F=4, then find the value of E when F=8.

A. 12

B. 16

C. 24

D. 48

3.) For 400 students in a dorm, the food lasts for 25 days. 100 more students moved into the dorm. For how many days will the food last?

A. 15 days

B. 20 days

C. 22 days

D. 24 days

4.) It took 3 men 36 hours to construct a fence around a small garden. Working at the same rate, how many hours would be saved if one more man is hired for the same job?

A. 36

B. 27

C. 12

D. 9

5.) The variables x and y vary inversely. Use the given values to write an equivalent relating x and y. Then find y when x=2. If x=5, y=-2.

A. - 4/5

B. 4/5

C. 5/4

D. - 5