5-2
rewriting percent expressions
practice and problem solving: a/b
use the situation below to complete exercises 1-6 in the table below.
discounts r us buys items at wholesale, then marks them up to set a retail
sale price. some of the items the store sells are shown in the table below.
item
wholesale
price
% markup
$ markup
retail
sale price
1. notebook
$1.50
20%
2. scissors
40%
3. calculator
$3.25
$9.60
$12.50
25%
78%
4. sunglasses
5. bicycle
$78.00
55%
6. picture frame
$2.99
150%
nd the retail sale price of each item below. round to two decimal​

Step-by-step explanation:

a) As a fraction of the original price Louisa will pay ...

  0.85c . . . . 85% of the subscription price

__

b) Louisa's expression (-0.15c) tells the amount of the discount, not the cost of the subscription. If Louisa were to write the cost of the subscription, her expression would be ...

  c - 0.15c

__

c) The expression of (a) is the cost of the subscription; the expression Louisa wrote is the amount of cost reduction due to the discount.

(4 • 5.75) + (4 • 4.25) = 4(5.75 + 4.25)

4(5.75 + 4.25) = (4 • 5.75) + (4 • 4.25) = 23 + 17 = 40

Why using the distributive property makes finding the total easier?

Using the distributive property allows us to solve two simpler multiplication problems.

5x + 120

Step-by-step explanation:

5(x + 24)

5x + 120

Step-by-step explanation:

We have been given that DVD's are on sale for $24 each. Felipe writes the expression 4 x 24 to find the cost in dollars of buying 4 DVD's.

We can rewrite Felipe's expression by writing 24 as sum of 20 and 4.

Using distributive property , we will get:

Therefore, we can rewrite Felipe's expression using distributive property as .