Question

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Cost of a dozen pens is ₹180 and cost of 8 ball pens is ₹256. Find the ratio of the cost of a pen to the Cost of a ball pen.

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Answer 1

Answer:

15/32

Step-by-step explanation:

Cost of a pen = 180/12 = 15₹

Cost of a ball pen = 256/8 = 32₹

Now, ratio of cost of pen to cost of ball pen is:-

15/32

Answer 2

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Cost of 1 dozen , i.e., 12 pens = ₹180.

⁂cost of 1 pen = ₹18012 =₹15.

Cost of 8 ball pens =₹56.

⁂Cost of 1 ball pen = ₹568 = ₹7.

Ratio of cost of 1 pen to cost of 1 ball pen.

$= \frac{cost \: of \: 1 \: pen}{cost \: of \: 1 \: ball \: pen} = \frac{15}{7} = 15:7.$

Thus , required ratio is 15:7.

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