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Ex 8.1, 3 - Chapter 8 Class 8 Comparing Quantities

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Ex 8.1, 3 - 72% of 25 students are good in mathematics. How many are

Ex 8.1, 3 - Chapter 8 Class 8 Comparing Quantities - Part 2

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Ex 8.1, 3 72% of 25 students are good in mathematics. How many are not good in mathematics? Given, Total Students = 25 Percentage of Students good in mathematics = 72 % Percentage of Students not good in mathematics = 100% โˆ’ 72% Percentage of Students not good in mathematics = 28% Finding number of students not good in mathematics Let number of Students not good in Mathematics = x Percentage = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ ๐‘ก๐‘ข๐‘‘๐‘’๐‘›๐‘ก๐‘  ๐‘›๐‘œ๐‘ก ๐‘”๐‘œ๐‘œ๐‘‘ ๐‘–๐‘› ๐‘š๐‘Ž๐‘กโ„Ž๐‘’๐‘š๐‘Ž๐‘ก๐‘–๐‘๐‘ )/(๐‘‡๐‘œ๐‘ก๐‘Ž๐‘™ ๐‘ ๐‘ก๐‘ข๐‘‘๐‘’๐‘›๐‘ก๐‘ ) ร— 100 28 = ๐‘ฅ/25ร—100 28 = ๐‘ฅ ร— 4 28/4 = x 7 = x x = 7 โˆด 7 Students are not good in mathematics

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