Question

If x = 8.1, then y = 2.7. Find x when y = 5.4.

Answer 1

Answer by JKismyhusbandbae: 16.2

All you do is add the same number every-time.

2.7 + 2.7 to get 5.4.

8.1 + 8.1 to get 16.2

If you wanted to find y again 5.4 + 5.4 = 10.8.