1.

The total cost of 15 pencils and 25 sharpeners is Rs.170. What will be the cost of 57 pencils and 95 sharpeners?

Answer»

Rs. 646



COST of 15 pencils + 25 SHARPENERS = Rs.170

Dividing each term by 5, we get,

Cost of 3 pencils + 5 sharpeners = Rs.34

Multiplying each term by 19, we get

Cost of 57 pencils + 95 sharpeners = 34 x 19 = Rs.646.



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