Question

a recipe calls for 2.5 cups of sugar. you have already added 0.75 cups. how many more cups of sugar do you need to add?

Explanation:

Step1: Define total and added sugar

Total required: $2.5$ cups; Added: $0.75$ cups

Step2: Calculate remaining sugar needed

Subtract added from total: $2.5 - 0.75 = 1.75$

Answer:

1.75 cups