A quart of milk and cream contains 28 ounces of milk. If 8 ounces of cream are added, what percent of the new mixture is cream?

2 answers

Divide.

8/28 = ?

Multiply the decimal answer by 100 to get the percentage.
the new mix of 32+8=40 oz contains 4+8=12 oz of cream

12/40 = 30%