Question

If the sum of three numbers is 456 and the first two numbers are 121.3 and 175.4, what

is the average of the three numbers?

Answer 1

152

Explanation:

You actually don't need to find the thirds number. Just by taking 456 and dividing it by three, you will get your answer and the average of the three numbers.

Answer 2

159.3

Explanation:

456 - 121.3 = 334.7

333.7 - 175.4 = 159.3

Hope this helped