There are 53 oranges in a box that contains a total of 77 pieces of fruit. How many oranges need to be added so that the box contains 84% oranges? A. 12 B. 18 C. 65 D. 73

Answer :

(53 + 12) / 77 = 0.84
65/77 = 0.84
0.84 = 0.84 (correct)

so u would have to add 12