SOLUTION: An electronics store sells 60 entertainment systems per month at $800 each. For every $20 increase in the selling price, the store sells one fewer system. What should the store set

Algebra ->  Finance -> SOLUTION: An electronics store sells 60 entertainment systems per month at $800 each. For every $20 increase in the selling price, the store sells one fewer system. What should the store set      Log On

PRICE           QUANT.         REV.
800               60
800+1*20          60-1
800+2*20          60-2

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800-20x          60-x      (800-20x)(60-x)