Algebra

Of 375 musicians some play only jazz band, some play only the marching band, some play both.If 250 play in the jazz band and 130 play in both, how many play in the marching band?

My answer is 135

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  1. If m play in marching band, then

    m+250-130 = 375
    m = 255

    How did you arrive at 135? I can see 125, but not 135.

    Anyway, the question was not "how many play only in the marching band?"

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  2. thanks steve

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