Percent of...
What does "of" mean?
To multiply
State what these words mean:
Tax, tip, interest, markup
Discount, sale, markdown
Subtract
20% tip
1.20p
What is the amount of change?
What is the original amount?
Change: difference
Original: Starting amount
32% of 64
20.48
Cost: $30
Tip: 15%
$34.50
15% discount
0.85p
What is the formula for finding the percent of change?
Amount of change(difference)/original amount
12% of 26
3.12
Cost:$18
Discount: 25%
$13.50
3% interest
1.03p
From 13 to 15
15% increase
8% of 45
3.6
Cost: $55
Tax: 7.3
$59.02
8% markdown
0.92p
Find the percent of change; state increase or decrease:
From 54 to 25
54% decrease
120% of 5
6
Cost: $22
Discount:15%
Tax:9%
$20.38
18% markup
1.18p
Find the percent of change; state increase or decrease:
From 45 to 135
200% increase