The extended warranty on a $960 dishwasher is 21% of the purchase price and lasts for eight years. What is the effective cost per year of the extended warranty?
a.
$28.80
b.
$45.20
c.
$23.78
d.
$25.20

Question

The extended warranty on a $960 dishwasher is 21% of the purchase price and lasts for eight years. What is the effective cost per year of the extended warranty?
a.
$28.80
b.
$45.20
c.
$23.78
d.
$25.20

mathmale · Answer

1.  Find 21% of the purchase price.
2.  Divide your result by 8 years.
3.  simplify your result.

griefer101 · Answer

how do you find percents?

xxdragoonxx · Answer

21 / 100 = 0.21

mathmale · Answer

Regarding "how do you find a percentage of some measurement?"

1.  convert the percentage to a decimal fraction.  For example, 29% becomes 0.29.
2.  Multiply the given quantity (here, the purchase price) by that decimal fraction.

griefer101 · Answer

so it would be 201.6 /8 right?

mathmale · Answer

Mind showing all of your work, and including the appropriate units of measurement in each step?  Thx.