A student solved this problem and said the answer was 2 1 1/2 miles.
Colin rides his bike 10 1/2 miles every morning and 12 1/4 miles every afternoon. On Monday, he rode his usual distance in the morning, but in the afternoon he rode 1 1/2 fewer miles. How many miles did Colin ride on Monday?
Is the student's answer reasonable?
A.
Yes, the answer is reasonable.
B.
No, the answer is not reasonable. It should be about 10 miles.
C.
No, the answer is not reasonable. It should be about 15 miles.
D.
No, the answer is not reasonable. It should be about 25 miles.
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