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6 April, 04:13

There are 2.54 centimeters in an inch how many inches are in 51.78 centimeters round to the nearest tenths

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  1. 6 April, 04:16
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    2.54 cm in 1 inch ... how many inches in 51.78 cm ...

    51.78 / 2.54 = 20.4 inches <==

    or this way ...

    2.54 / 1 = 51.78 / x ... 2.54 cm to 1 in = 51.78 cm to x inches

    cross multiply

    (2.54) (x) = 51.78) (1)

    2.54x = 51.78

    x = 51.78 / 2.54

    x = 20.4 inches <==
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