At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ?

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Accepted Answer

a:b = 60:40 a:c = 60:45 c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80 So C gives B => 10 points.

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