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Standard VIII

Mathematics

Inverse Proportion

If the cost o...

Question

If the cost of 93 m of a certain kind of plastic sheet is rs 1395,then what would it cost to buy 105 m of plastic sheet

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Solution

93 meters =1395₹
1 meter =1395/93
105 meter =(1395/93)×105
=1575₹

OR

93/105 = 1395/x
If u are doing by way of ratio and proportion

93x = 1395×105

x = 1395×(105/93)

x = 1575₹

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If the cost of 93 m of a certain kind of plastic sheet is rs 1395,then what would it cost to buy 105 m of plastic sheet

93 meters =1395₹ 1 meter =1395/93 105 meter =(1395/93)×105 =1575₹ OR 93/105 = 1395/x If u are doing by way of ratio and proportion 93x = 1395×105 x = 1395×(105/93) x = 1575₹

93 meters =1395₹
1 meter =1395/93
105 meter =(1395/93)×105
=1575₹

OR

93/105 = 1395/x
If u are doing by way of ratio and proportion

93x = 1395×105

x = 1395×(105/93)

x = 1575₹