Cost of a dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of a pen to the cost of a ball pen.
Answer:
Cost of dozen pens = Rs 180
Cost of 1 pen
= Rs 15
Cost of 8 ball pens = Rs 56
Cost of 1 ball pen
= Rs 7
Ratio of the cost of 1 pen to the cost of 1 ball pen
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