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

Algebra ->  Percentage-and-ratio-word-problems -> 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      Log On


   



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) About Me  (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