2.10
Percent Increase and Decrease
Percent Change =
New Amt - Original Amt
Original Amt
Find the percent change
from 150 to 144
Find the percent change
from 72 to 108
Yesterday, gasoline was $3.49 a gallon. This
morning, at the same gas station, it was $3.89
a gallon. Find the percent change.
You bought a $75 pair of shoes for $52.50.
What was the percent of discount?
A shampoo company normally makes
a 32 oz bottle of shampoo.
They are going to increase the amount of
shampoo by 50%.
How much shampoo will be in the new bottle?
You own a store and sell t-shirts.
The wholesale cost of a t-shirt is $6.50.
You plan on marking up the price 30%.
What is the selling cost of the t-shirt?
The wholesale cost of a pair of shoes was $25.
The selling price was $70.
What was the percent markup?