A horse ran at a constant speed for 4 hours. Then, it decreased its speed by 7 mph for the
1 answer:
Distance travelled in 4 hours...
730 - 442 = 288 miles
Speed for the 4 hours;
Speed = 288/4 = 72 miles/hour
Speed for the rest of 442 miles...;
(72 - 7) = 65 miles/hour
Time taken for 442 miles..
Time taken = Distance/Speed
; 442/65 = 6.8
Time taken = 6.8 hours
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