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Question

If 12 inches correspond to 30.48 centimeters, then how many centimeters are there in thirty inches? [1 MARK]


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Solution

Solution: 1 Mark

Length which are in inch and centimeters are related by direct proportion

Let the required length in cm be c.

inchescentimeters:1230.48=30c

1230.48=30c

12c = (30)(30.48)

12c = 914.4

c = 76.2

Hence 30 inches corresponds to 76.2cm.


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