Max has two baskets of oranges. The ratio of the oranges in basket A to those in basjket B is 7:4. If Max puts half of the oranges in basket A to basket B. what is the new ratio of the oranges in basket A to basket B?

1 answer

a/b = 7/4
so, b = 4a/7

(a/2)/(4a/7 + a/2)
= (a/2) / (15a/14)
= 7/15