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In school 4/7 of the students are boys if there are 210 girls find the number of boys |
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Answer» Answer: 160 Step-by-step explanation: LET the number of boys = x => total number of students = 210 + x => number of boys = ( 210 + x ) . 4/7 => x = 480/7 + 4x/7 => x - 4x/7 = 480/7 => 3x/7 = 480/7 => 3x = 480 => x = 480/3 = 160 since there are 160 boys in school.(ANS) |
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