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A tv has height:width in ratio 9:16. In a scale drawing the height is 4.5cm. What would the width be?
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A tv has height:width in ratio 9:16. In a scale drawing the height is 4.5cm. What would the width be?

User Xiamx
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(4.5)/(width)=(9)/(16)\\\\cross\ multiply.\\16*4.5=9(width)\\72=9(width)\\\boxed{width=8\ cm}
User MacAnthony
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