Question
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?
Answers
Ms. Sue
5 * 50 = 250 minutes needed
45 + 42 + 55 + 48 = 190 minutes in the first 4 days
250 - 190 = _______ minutes needed on the 5th day
45 + 42 + 55 + 48 = 190 minutes in the first 4 days
250 - 190 = _______ minutes needed on the 5th day
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
60
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