3 monkeys eat 8 bananas in 2 hours.
3 monkeys eat 8 bananas in 2 hours, so the rate is 8 bananas / 2 hours = 4 bananas per hour.
10 monkeys would eat 4 bananas per hour
* 3 hours = 12 bananas per hour.
Therefore, 10 monkeys can eat 12 bananas in 3 hours.