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Devin volunteers at Big Pup Rescue. He is mixing up shampoo solution for the dog washing station. He needs 2 cups of shampoo concentrate for every 9 cups of water. Devin will use 36 cups of water.

2 Answers

3 votes

Answer:

Devin needs 8 cups of shampoo.

Explanation:

The ratio for shampoo:water is 2:9, so if Devin uses 36 cups of water, he needs 36/9 x 2 = 8 cups of shampoo

User Shane Miskin
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8 cups / 36/9 , *4 !!
User Joshperry
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