A box contains some white balls and black balls.the number of black balls is 8 more than the number of white balls. The total number of balls is 4 time the number of white balls. find out the number of white balls and black balls?
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Number of white balls = x Number of black balls = x + 8 Total number of balls = 4 ‘ x; (x) + (x + 8) = 4x ; 2x + 8 = 4x; 8 = 4x – 2x = 2x ; x = 8 2 82 = 4 white balls = 4 black balls = 4 + 8 = 12Read more on Sarthaks.com - https://www.sarthaks.com/1350721/box-contains-some-white-balls-some-black-balls-the-number-black-balls-more-than-the-number
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