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9 June, 10:44

A TV had height:width in ratio 3:4. in a scale drawing the width is 10cm, what would the height be

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  1. 9 June, 11:09
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    3: 4 ... added = 7

    3/7 (10) = 30/7 = 4 2/7 cm < = = height

    4/7 (10) = 40/7 = 5 5/7 cm ... width
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