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20 July, 18:59

302 car stereos were recently sold in a car audio store. 149 had a CD player, 116 had a cassette player, and 40 had both a CD and a cassette player.

How many had a CD player only? a) 69b) 99c) 109d) 119e) 114f) None of the above.

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  1. 20 July, 21:46
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    Answer: c) 109

    Step-by-step explanation:

    Given : 302 car stereos were recently sold in a car audio store.

    Number of stereos had a CD player = 149

    Number of stereos had a cassette player = 116

    Number of stereos had both a CD and a cassette player = 40

    Then, the number of stereos had a CD player only = Number of stereos had a CD player - Number of stereos had both a CD and a cassette player

    = 149 - 40 = 109

    ∴ The number of stereos had a CD player only = 109

    Hence, the correct answer is c) 109.
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