SOLUTION: the ratio of the number of cards John had to the number of cards Peter had was 5:6.after Peter gave 1/3 of his cards to John,John had 42 cards.how many cards did John have at first
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Question 787061: the ratio of the number of cards John had to the number of cards Peter had was 5:6.after Peter gave 1/3 of his cards to John,John had 42 cards.how many cards did John have at first?
Answer by xinxin(76) (Show Source): You can put this solution on YOUR website!
Suppose John had X cards at first, according to the statement,
42 = X + 6/5*1/3*X
Solve for X, get X = 30
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