Solution : Create algebraic equations to solve this. 1) (3/7)=(84/x) using cross multiplication we get 3x=(84*7) 2) solving for x, we get 196 bananas. 3) using this information create 2nd equation similar to 1) 4) you should get (2/5)=(196/x) 5) cross multiplying we get (2x)=(196*5) 6) solving for x, we get x=490 oranges