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MATH / A shop sells 500 smartphones a week for 450 each. A market survey shows that each decrease of 5 on the price will result in the sale of an additional 10 smartphones per week. What …

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problem

A shop sells 500 smartphones a week for $450\$450 each. A market survey shows that each decrease of $5\$5 on the price will result in the sale of an additional 10 smartphones per week. What price of the smartphone would result in maximum revenue, in dollars?
Plain-text mathematical notation (without MathML)
A shop sells 500 smartphones a week for $450 each. A market survey shows that each decrease of $5 on the price will result in the sale of an additional 10 smartphones per week. What price of the smartphone would result in maximum revenue, in dollars?
Original LaTeX notation
A shop sells 500 smartphones a week for $\$450$ each. A market survey shows that each decrease of $\$5$ on the price will result in the sale of an additional 10 smartphones per week. What price of the smartphone would result in maximum revenue, in dollars?

level

Level 5

type

Algebra

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