How do I solve this?

A mixture of nuts has a ratio of 5 parts peanuts to 3 parts cashews. How many ounces of cashews are in a 24 oz mixture?
I am thinking 9 oz., but how do you write a problem to solve this

1 answer

Use a proportion. Cross multiply and solve for x.

3/8 = x/24

8x = 72

x = 9