SOLUTION: Marck rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 21 miles. How many miles did Marck ride his bike during the last half hour?
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Question 1165449: Marck rode his bike for 2 hours at a constant rate. During the first 1.5 hours, he rode 21 miles. How many miles did Marck ride his bike during the last half hour? Answer by ikleyn(52797) (Show Source):
