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1 hour 9 minutes 36 seconds.

time = distance/speed = 87 miles / 75 mph = 1 4/25 hr = 1.16 hr

1 hr = 60 min

→ 0.16 hr = 0.16 × 60 min = 9.6 min

1 min = 60 sec

→ 0.6 min = 0.6 × 60 sec = 36 sec

→ 1.16 hr = 1 hr 9 min 36 sec

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9y ago

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