Solve.The Hopkins family traveled by car 1168 miles in 19 hours. Assuming they stopped 3 hours for refueling and meals, what was their average rate of speed?
Fill in the blank(s) with the appropriate word(s).
73 mph
1168 mi / (19 hr-3 hr) = 1168 / 16 hr = 73 mi/hr
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A. 32 B. 512 C. 65,536 D. 4096
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What will be an ideal response?
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A. 
B. 
C. 
D. 