Question
The average number of playing cards Eric and Neave had was 448. The average number of playing cards Eric and Ian had was 248. If the ratio of Neave's playing cards to Ian's playing cards was 9 : 4, find the number of playing cards Eric had.
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The average number of playing cards Eric and Neave had was 448. The average number of playing cards Eric and Ian had was 248. If the ratio of Neave's playing cards to Ian's playing cards was 9 : 4, find the number of playing cards Eric had.