section 7.5. 1. 2.5% of what number is 75? 2. what percent of 25 is 4? 3. if you buy a shirt that...
TRANSCRIPT
Section 7.5
1. 2.5% of what number is 75?
2. What percent of 25 is 4?
3. If you buy a shirt that was originally $45 but it is on clearance for 25% off, what is your total? (Assume no sales tax!)
75whole
2.5100= Whole = 3,000
425
x100= x =16%
$45 x .25 = $11.25$45 – 11.25 = $33.75
Or think
percent
100
Amount of change
Original amount=
Wholesale price: the price that the store pays for an item
Retail price: the price that you (the consumer) pay for the item
Mark-up rate: the % that an item increases in value
Discount rate: the % that an item decreases in value.
The wholesale price is $84 and the markup rate is 12.5%. What is the retail price?
percent
100
Amount of change
Original amount=
12.5
100
x - $84
$84=
$1050= 100(x - 84)$1050= 100x – 8400 $9450 = 100x x =
$94.50
The wholesale price is $84 and the markup rate is 12.5%. What is the retail price?
$84 * .125 = $10.50
$84.00 + 10.50 = $94.50
Find the sale price when the original price is $84 and the discount rate is 12.5%.
$84 * .125 = $10.50
$84.00 – 10.50 = $73.50