Arecipe for cookies calls for 2⁄3 of a cup of chocolate chips and 4 cups of flour. if you want to make a bigger batch, using 6 cups of flour, how many cups of chocolate chips will you need?

4 * 1.5 = 6.

To find how many cups of chocolate chips you’ll need with 6 cups of flour, you need to multiply 2/3 by 1.5 so you have the same ratio with the cups of flour.

2/3 * 1.5 can be written as 2/3 * 3/2.

2/3 * 3/2 = 6/6 = 1

Using 6 cups of flour, you will need 1 cup of chocolate chips.