Translate to a system of equations. But do not solve.

Question

A nontoxic floor wax can be made from lemon juice and food-grade linseed oil. The amount of oil should be twice the amount of lemon juice. How much of each ingredient is needed to make 45 ounces of floor wax? Let x represent the number of ounces of lemon juice and y the number of ounces of linseed oil.

Answer 1

The amount of oil should be twice the amount of lemon juice.

y = 2x

How much of each ingredient is needed to make 45 ounces of floor wax?

x+y = 45