A marketing expert determines that sales of television sets can be increased by 3 sets per week for each $20 decrease in price. Weekly sales average 18 sets at $440 each. (5 marks) a. at what price per television set will the most money be made? b. how much money will be received?
Added by Kristen M.
Step 1
Let \( x \) be the number of $20 decreases in price. The price per television set will then be \( 440 - 20x \) dollars. The number of television sets sold will be \( 18 + 3x \). Show more…
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