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