Question

Saturday morning Brett made one batch of orange juice with 1 cup of concentrate and 4 cups of water. What percent of the batch was water? Show your work or explain your reasoning to justify your answer.

Answer 1

80% of the batch is water.

Explanation:

If 1/5 of the batch is concentrate, that leaves 4/5 of the batch being water. 4/5 simplifies out to .8, which is 80%.