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The distance between Miami and key largo is 70 miles.If a mile is 5,280 ft and...

The distance between Miami and key largo is 70 miles.If a mile is 5,280 ft and 1 inch is 2.54 cm , calculate the distance in kilometers.
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Answer #1

distance =70 miles

1 mile = 5280 feet ---------------------------------- relation

70miles = 70 x 5280 = 369600 ft

1 feet = 12 inch ---------------------------------- relation

369600 ft = 12 x 369600 = 4435200 inch

1 inch = 2.54 cm ---------------------------------- relation

4435200 inch = 2.54 x 4435200 = 11265408 cm

1 cm = 0.01 m ---------------------------------- relation

11265408 cm = 0.01 x 11265408 m

                       = 112654.08 m

1 m = 0.001 km ---------------------------------- relation

112654.08 m = 0.001 x 112654.08

                       = 112.65 km

finally :

70 miles =112.65 km --------------------------> answer

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