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math

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At a certain grocery store, "a" customers each spend an average of $30 every "b" hours. How much revenue , in dollars, does the store collect in "c" hours?

  • math -

    30ab = c

  • math -

    c hours * a cust/hr * $30/b cust = 30ac/b $

    check:
    If 10 customers spend $300 in 5 hours, that's $60/hr, so in 3 hours that would be $180.

    30ac/b = 30*10*3/5 = 180

  • math -

    I also came to that answer, but it isn't one of the choices. The choices are:

    (A) 30c/ab
    (B) bc/30a
    (C) 30bc/a
    (D) 30ac/b
    (E) 30b/ac

  • math -

    thanks Steve!

  • Steve is right -

    Steve's answer is right and is one of your choices.

    Sorry -- my answer is wrong.

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