Joelle practiced piano for 45, 42, 55, and 48 minutes in the first four practice days this week. How many minutes does she need to practice on the fifth practice day to have an average of 50 minutes?

Answer 1

5 * 50 = 250 minutes needed

45 + 42 + 55 + 48 = 190 minutes in the first 4 days

250 - 190 = _______ minutes needed on the 5th day

Answer 2

Joelle practiced piano for 45, 42, 55, and 48 minutes in the first four practice days this week. How many minutes does she need to practice on the fifth practice day to have an average of 50 minutes

Answer 3

60