Question

Moonlight is trying to bake cookies. The recipe calls for 5 cup of sugar and 4/9 cups of flour. What is the unit rate of cups of sugar per cups of flour?

Answer 1

Hello,

Solution:

Turn into Improper Fractions,

5 = 5/1

4/9

Divide,

5/1 / 4/9

Copy Dot Flip,

5/1 x 9/4

Multiply Across,

5 x 9 = 45

1 x 4 = 4

45/4

Simplify,

45/4 = 11 1/4

Answer 2

5/1 x 9/4 = 45/4

___________________

4/9 x 9/4 =36/36

36/36 = 1

45/4

___________

1

=

45/4

45/4 = 11 1/4

The unit rate is 11 1/4 cups of sugar per cup of flour.