Percent
50% of 10
5
20 - x = 13
x = 7
5/8 - 2/8
3/8
3 (3x - 4)
9x - 12
Sally wants to buy a purse. It is $200 but the store is having a 20% off. How much money will she save if she buys it now?
$40
20% of 90
18
3x - 4 = 32
9
12/14 - 11/14
5 (x + 8)
5x +40
Anne has 24 pens. If she uses 1/3 of her pens, how many pens will she not be using?
16 pens
33% of 120
40
5x + 2 = 7x - 2
x = 2
(2/3) (2/3)
4/9
12 (3x + 12)
36x + 144
Ben goes to the store and buys groceries. He spends $80 and must pay 4% tax. What is the total for the groceries plus tax?
$83.20
10% off of 100
90
12x - 120 = 5x - 50
x = 10
3/4 / 1/2
1 1/2
2x (3x - 4y)
6x2 - 8xy
Barbra started a lawn mowing business last year. She charges $15 an hour. This year she wants to increase the price by 10%. How much will it cost for 2 hours of lawn mowing after the price increases?
60% off of 70
28
20x + 18 = (11) (18)
9
2/4 +1/8
5/8
30 (12x - 3)
360x - 90
Every weekend Kent babysits for his rich neighbor's 3 kids. He charges 8 dollars an hour per kid. If he wants to increase the price by 20%, how much will he earn after 3 hours of babysitting?
$86.40