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 -

Sorry -- my answer is wrong.

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