A sum of rs.6.25p is made up of 80 coins whivh are either ten paise or five paise coins .how many coins are there of 10 paise .
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The AVG value of 80 coins is 625/80 = 125/16 p;
125/16 - 5 ÷ 10 - 125/16 = 9/7;
Number of 10p coins = 9/16 * 80 = 45 ; number of 5p coins 7/16 *80 = 35
hope it will help you
125/16 - 5 ÷ 10 - 125/16 = 9/7;
Number of 10p coins = 9/16 * 80 = 45 ; number of 5p coins 7/16 *80 = 35
hope it will help you
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