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- Walking 7/6 of his usual rate, a boy reaches his school 4 min early.
Question 1:
Walking 7/6 of his usual rate, a boy reaches his school 4 min early. Find his usual time to reach the school? A. 25 min
B. 26 min
C. 27 min
D. 28 min
Feedback Speed Ratio = 1:7/6 = 6:7
Time Ratio = 7:6
1 -------- 7
4 --------- ? 28 min
Time Ratio = 7:6
1 -------- 7
4 --------- ? 28 min
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