Basic College Mathematics (ALEKS)
Chapter Six PERCENTS
5
Sales tax equals $21.50. Sales tax
$21.50 =
∗
rate is 5%, what is the price?
100
$
.
∗
P =
= $430
Commission = Commission Rate *
*Total Sales
1
House sold for $160,000 and
$6400 =
∗
∗ $160,000
earned a commission of $6400.
100
$6400 ∗ 100
What is the commission rate?
=
= 4%
$160,000
Base salary is $50,000.
Commission = 98K - 50K = 48K
6
Commission rate is 6%.
48,000 =
∗
Total salary is $98,000.
100
What is the total sales?
∗
Sales =
= $800,000
1
=
∗
∗
100
Sale Price = Original Price - Discount
Original price = $600. Sales price
Discount = $600-$480 = $120
= $480. What is the discount rate?
$120 =
∗ 600
100
$
∗
= 20%
R =
Mark Up = Markup Rate*
*Original Price
Retail Price = Original Price + Mark Up
8
Chapter 6