Question

The ratio of Brilliant Blue shampoo is 1 part shampoo to 4 parts water.

How much shampoo will be needed if we use 28 cups of water?

Answer 1

Answer: 7

Explanation:

The ratio is 1:4 so 1/4. Plug in the numbers for the water, 1:4, X:28.

Then divide to find X.

28/4= 7

So your answer is 7. Check your work with multiplication

1:4 = 7:28