Question

Wayne is mixing paint. He mixes 2 parts yellow to 5 parts blue to get the perfect shade of green. How many parts of yellow would he need if he uses 30 parts of yellow?

Answer 1

Answer: If 30 parts of yellow are used, 75 parts of blue are needed.

Explanation:

If you multiply the 2 parts of yellow by 15, you get 30 parts of yellow. Then multiply the 5 parts blue by the same number, 15, which results in the answer of 75 parts of blue.