Answer:
0.75 and 0.75
Explanation:
2.5 cups of sugar required for brownie recipe.
We have 1.75 cups.
Find the difference between these two amounts (subtracting smallest from greatest) to find how much more you need to fulfill this required amount.
2.5 - 1.75
= 0.75 cups of sugar is what you need.
If your neighbor gives you 2 more cups of sugar, add what you have and this amount together.
0.75 + 2 = 2.75
Then, subtract the required amount from what you have currently now that your neighbor has given you some extra sugar.
2.75 - 2
= 0.75 cups of sugar is how much extra you have.