Mathematics, 19.07.2020 01:01 turboslayer

George buys some first class and second class stamps to put on some letters. Each first class stamp costs 67p, and each second class stamp costs 58p. The ratio of first to second class stamps is 1:4. George bought 320 stamps. How much did George pay for all the stamps?

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George buys some first class and second class stamps to put on some letters. Each first class stamp...