Question

a recipe uses 3 cups of flour and 2 cups of sugar. imagine the recipe is doubled and that 4 cups of sugar are used. use the unit rate in part A (1.5) to find how much flour is needed if the recipe is made with 4 cups of sugar

Answer 1

6 cups of flour because if u multiply the sugar by 2 you have to do that to the flour.
so 3*2 is 6

Answer 2

6 cups of flour

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
`(3)/(2)` 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 =
`(3)/(2)` cups of flour

4 cups of sugar =
`4* (3)/(2)` cups of flour

= 6 cups of flour

Hence, 6 cups of flour is needed to make a recipe with 4 cups of sugar.