Question

A recipe for homemade modeling clay includes 1/3 cup of salt for every cup of water. If there are 6 cups of salt, how many gallons of water are needed? Identify the constant of proportionality.

Answer 1

18 cups but each gallon = 16 cups. so 1.125 gallons

Explanation:

ratio = 1/3 salt :1 water = 1 salt : 3 water

so 6 salt :18 water