Use the formulas relating distance, rate, and time.A family began a trip of 375 miles at 8 A.M. They arrived at their final destination at 3:30 P.M. If they took three 20-minute breaks and took a half hour for lunch, what was their average rate? Round to the nearest tenth if necessary.
A. 57.7 mph
B. 62.5 mph
C. 53.6 mph
D. 68.2 mph
Answer: B
Mathematics
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.
A. 
= 0, 
= 
B. 
= 1, 
= 1
C. 
= 0, 
= 1
D. 
= 
, 
= 
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A. 1 B. i C. -i D. -1
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A. 
B. 
C. 
D. 
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