12 inches = 1 foot
2112 inches = 2112 ÷ 12 = 176 feet.
176 per 2 seconds = 30 x 176 = 5280 feet per minute = 60 x 5280 = 316800 feet per hour
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The car's speed in inches/second:2112 / 2 = 1056 in/sThis is equal to:1056 / 12 ft/s = 88 ft/sThis is in turn equal to:88 x 60 ft/hr= 5280 ft/hr
2112 inches; there are 12 inches in a foot.
20 feet per second.
1 hour is 3600 seconds, so a simple equality with conversion will do.X ft/3600 s = 1 inch/10 s10X = 3600X = 360 inches (1 ft/12 in)= 30 feet traveled in one hour======================
30 times as much, since a minute has 60 seconds.