Question

A hole is poked in a balloon so that every minute the balloon loses 3/10ft 3 of air. What is the total change in the number of cubic feet of air in the balloon after 5/9 min?

Answer 1

5/9 minutes

amount lost=times times amout lost per unit of time
amount lost=5/9 times 3/10
amount lost=15/90
amount lost=5/30
amount lost=1/6

answer is 1/6 ft³ of air