If 8 people can eat a gallon of ice cream in 10 days, how long would it take 5 people to eat a gallon of ice cream?
Choose the correct choice from the following choices:
A) 12 days B) 14 days C) 16 days D) 18 days E) 20 days

Rationale: 8 * 10 = 5 * x x = 16 answer : c
Answer: C