- A cell phones was purchased for $500 and depreciates at a rate of 18% per year. How much is the cell phone worth after 4 years? Round to the nearest cent.

tip $2.90

total $17.40

if y=4x then you will substitute 4x in for y in the second equation.

8x + 4x = 18 combine like terms

12x = 18 divide by 12 on both sides

x = 18/12 or 3/2

now replace x in the first equation with 3/2 to get

y = 4 3/2

y = 6

the answer is a

(3/2,6)

hope that .

brainliest is always apprectiated

stock holders gave company a contract to lay tack to 2 to 3 times actual cost and pocketed profits

-took $23 mill in stocks