The price of 3 metres of cloth is rupees 79.50 find the price of 15 metres of such cloth
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3meters=79.50
15meters=?
let 15 meters be x
3=79.50
15=x
doing cross multiply
3x=15×79.50
x=15×79.50/3
x=5×79.50
x=397.50 rupees is the cost.
15meters=?
let 15 meters be x
3=79.50
15=x
doing cross multiply
3x=15×79.50
x=15×79.50/3
x=5×79.50
x=397.50 rupees is the cost.
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