Answer:
6 cups of flour
Step-by-step explanation:
A recipe uses 3 cups of flour and 2 cups of sugar.
The ratio of flour to sugar is 3:2
For every 2 cups of sugar uses 3 cups of flour.
Now we find how much cups of flour uses for unit cup of sugar.
For 1 cup of sugar uses
cups of flour.
We need to calculate number of cups of flour used with 4 cups of sugar.
As we know,
Unit cup of sugar =
cups of flour
4 cups of sugar =
cups of flour
= 6 cups of flour
Hence, 6 cups of flour is needed to make a recipe with 4 cups of sugar.