of the pupils who passed were boys.83In an exam, 75% of the pupils passed.75 girls passed the exam and 21 girls failed the exam.Find the total number of pupils taking the exam.(a)(b)What percentage of the pupils who took the exam were boys?

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Answered: of the pupils who passed were boys. 8 3…

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter2: Working With Real Numbers

Section2.3: Rules For Addition

Problem 4P

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of the pupils who passed were boys. 8 3 In an exam, 75% of the pupils passed. 75 girls passed the exam and 21 girls failed the exam. Find the total number of pupils taking the exam. (a) (b) What percentage of the pupils who took the exam were boys?