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Mike bought 3 tennis and 2 badminton rackets for \$300. If he buys 2 badminton and 2 tennis rackets, he pays \$240.How much is a tennis racket?

5 rackets = \$300 and 4 rackets = \$240.

300 - 240 = ?

that answer was marked wrong, are they assuming that the tennis rackets cost more??

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