Question
The average number of playing cards Fred and Pierre had was 455. The average number of playing cards Fred and Nick had was 245. If the ratio of Pierre's playing cards to Nick's playing cards was 5 : 2, find the number of playing cards Fred had.
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The average number of playing cards Fred and Pierre had was 455. The average number of playing cards Fred and Nick had was 245. If the ratio of Pierre's playing cards to Nick's playing cards was 5 : 2, find the number of playing cards Fred had.