Question

If 80 is divided by the sum of 4 and a certain number , the result is 16 .find the number

Answer 1

x = 60

Explanation:

80/ 4+x = 16

(4 + x) * 80/ 4+x = 16 = 16 (4 + x)

80 = 16 + 4 + x

80 = 20 + x

60 = x or x = 60