Question

What is the sum of two consecutive even numbers the difference of whose squares is 100?

Answer 1

Answer:

Step-by-step explanation:

Let the numbers be x and x + 2.

Then, (x + 2)2 - x2 = 84

4x + 4 = 84

4x = 80

x = 20.

The required sum = x + (x + 2) = 2x + 2 = 42