Question

A used electronics store pays $40 for each cell phone, spends $25 refurbishing the phone, and sells the refurbished phone to a customer for $100. Write an expression in simplest form that represents the company's earnings (in dollars) from buying, processing, and selling cell phones. Use x to represent the number of cell phones they sell.

Answer 1

40+25=65
100-65= 35
thats the answer

Answer 2

`y=35\cdot{x}`

Explanation:

The two expenses for the phones is $40 and $25 per phone. It is sold for $100. The amount of earnings is the sale price of the phone minus the expense for the phone. Let x be the number of phones they sell and y be the earnings. The expression is:

`y=100x-(40+25)\cdot{x}`

`y=35\cdot{x}`