Solving Proportions
3/10 = x/100
x = 30
1/4
25%
10% of 40
4
10% of $60
$6
A $120 bicycle after a 10% discount
$108
6/25 = x/100
15/20
75%
15% of 80
12
24% of $50
$12
A $400 drum set after a 40% discount
$240
18/30 = x/ 10
x = 6
19/20
95%
62% of 200
124
3% of $120
$3.60
A $3.50 pound of pears after a 20% discount
$2.80
45/100= 9/x
x = 20
1/50
2%
3% of 80
2.4
17% of $10
$1.70
A $28,000 car after a 15% discount
$23,800
12/40 = x/100
x = 30
18/30
60%
9% of 70
6.3
4% of $2000
$80
A $450 flight after a 9% discount
$409.50