# math

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If 3feet*50metre is Rs.8720,how much would 2feet*40metre cost?

• math -

3ft*50m/(2ft*40m) = Rs. 8720/ Rs. x

x = 80(8720)/150 = 4650 2/3 or 13952/3 or appr. 4650.67
(the units canceled)

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