Suppose 5 monkeys take 5 minutes to eat 5 bananas. How many monkeys would it take to eat 15 bananas in 15 minutes? Select.
A) 9
B) 10
C) 11
D) 5
E) 13
One monkey takes 5 min to eat 1 banana , so in 15 mins 1 monkey will eat 3 bananas , so for 15 bananas in 15 min we need  15/3= 
<gadget id="calculator"> 15/3</gadget>
<output>5</output>
5 monkeys   ANSWER:5
<result>D</result>
Suppose 5 monkeys take 5 minutes to eat 5 bananas. How many monkeys would it take to eat 15 bananas in 15 minutes?