Question

7ducks eat 20 lbs of bread in 12 days. How long would it take 14 ducks

Equation set up

Answer 1

common sense solution:

if 7ducks eat 20 lbs of bread in 12 days .....

then twice as many ducks will eat twice as much food in the same time
or twice as many ducks will eat the same amount of food in half the time

Since you didn't ask a question, who is to know ...

Answer 2

(7/14)12=