Cost of 15 pens is Rs.180.30.Find the cost of 6 pens.How many pens can be bought if a person has Rs.240.40?
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1)finding cost of 6 pens
15 pens = 180.30
1pen= 180.30/15
6pens = 180.30 × 6/15 =₹72.12
2)finding no of pens that can be bought
12.02 = 1 pen
240.40/12.02 =20pens
=20pens
15 pens = 180.30
1pen= 180.30/15
6pens = 180.30 × 6/15 =₹72.12
2)finding no of pens that can be bought
12.02 = 1 pen
240.40/12.02 =20pens
=20pens
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