Question

A lasagna recipe calls for 3 and 3/4 cup of tomato sauce DeMarco already has 1 and 1/4 cups of tomato sauce he wants to know how many more cups of tomato sauce he needs. Let y be the number of cups of tomato sauce DeMarco still needs.

Answer 1

Answer: DeMarco still needs 2 1/2 cups of tomato sauce.

Explanation:

Solve for 3 3/4 cups (needed) - 1 1/4 cups (have).

2 2/4 cups

Simplify:

2 2/4 -> 2 1/2 cups

Answer 2

DeMarco needs 2 2\4 cups more tomato sauce

Explanation:

1 1\4+y=3 3\4

subtract 1 1\4 from both sides

y=2 2/4