# A sporting goods store sells 90 jackets for $200 dollars each. Each $10 decrease in price would result in 5 more jackets sold. How do you find the number of jackets sold and the selling price to give revenues of $17600 from jacket sales?

##### 1 Answer

#### Answer:

**To earn** **cost price and number of sale should be**

#### Explanation:

Let the number of decrease of

Then, new reduced cost price is

increased sale of jackets is

Revenues earned is

when

and number of sells of jacket is

earned is

when

and number of sells of jacket is

earned is

To earn