You are debating about whether to buy a new computer for $800.00 or a refurbished computer with the same equipment for $640.00. if a savings account earns 4.5% apr interest, how much do you really save with a refurbished computer if you put the difference into the savings account for a year?

$167.2

Step-by-step explanation:

It has been given that the price of a new computer is $800.00 and refurbished computer with the same equipment has a  price of $640.00.

Let us find the amount that we will save with a refurbished computer if we put the difference into the savings account for a year using simple interest formula.  

, where A= Amount after t years, P=principal amount, r = interest rate (decimal form) and t=time.

Our principal amount will be the difference of prices of new computer and refurbished computer.

Upon substituting our given values in above formula we will get,

Therefore, we will save $167.2 with refurbished computer when we put the difference into the savings account for a year.

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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$97520

step-by-step explanation:

add 6% to the value she got from selling the house.