Amanda, Bryan, and Colin are in a book club. Amanda reads twice as many books as Bryan per month and Colin reads 4 fewer than 3 times as many books as Bryan in a month. In 4 months the number of books Amanda reads is equal to 5/8 the sum of the number of books Bryan and Colin read in 4 months. How many books does each person read each month?

Question

Mathematics

Apple Jack

11 October, 02:44

Amanda, Bryan, and Colin are in a book club. Amanda reads twice as many books as Bryan per month and Colin reads 4 fewer than 3 times as many books as Bryan in a month. In 4 months the number of books Amanda reads is equal to 5/8 the sum of the number of books Bryan and Colin read in 4 months. How many books does each person read each month?

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Julie Harvey · Answer 1

A=2b C=3b-4. A=5/8x4 = b+cx4 If Brian read let's say 3 books a month then amanda reads 6 and Collin reads 5 So the answer would be B = Brian's books. A = Amanda's books and c = Collins books So a=2xb B=b C = (3b) - 4