Find the ratio of the price of a ball pen to a pencil, if the ball pen cost Rs .54 per dozen and pencils cost Rs 16 per score.
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Step-by-step explanation:
Price of 20 pencils = Rs. 96
(1 score = 20 pencils)
Price of 1 pencil = Rs. (96 ÷ 20)
= Rs. 4.80
Price of 12 ball pens = Rs. 50.40
( 1 dozen=12)
Price of 1 ball pen = Rs. (50.40 = 12)
= Rs. 4.20.
Ratio of the price of a pencil to that of a ball pen = Rs. 4.80: Rs. 4.20
= 480 paise : 420 paise
= 480 : 420
= 48:42
= 8:7
Required ratio is 8:7
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