Question

One number is 7 more than another. The difference between their squares is 203 . What are the numbers?

Answer 1

Explanation:

The numbers are x and x+7

(x+7)^2 - x^2 = 203 <======= given Expand and solve for 'x'

x^2 + 14x + 49 - x^2 = 203

14 x = 154

x = 11 the other number is x+7 = 18