Percent of a number
20% of 110
22
What is 25% of 80?
x/80 = 25/100
x = 20
Fractions → Decimals
9/12
0.75
Percent → Decimals
98%
.98
32 pizzas and 8 kids. How much pizza per kid?
4 slices
75% of 260
195
22 is 44% of what number?
22/x = 44/100
x = 50
Fraction → Percent
3/10
30%
Percents → Decimals
25%
.25
The turkey needs about 12 minutes per pound to cook. How long will a 12 pound turkey take to cook?
144 minutes or 2 hours and 24 minutes
28% of 575
161
450 is 75% of what number?
450/x = 75/100
x = 600
Decimal → Percent
0.38
38%
Percents → Decimals
15%
.15
If it costs $47.50 for a family of 5 to go to the movies, how much does each ticket cost?
$9.50 per ticket
108% of 150
162
95 is what percent of 200?
95/200 = x/100
x = 47.5%
Decimal → Percent
0.056
5.6%
Percents → Decimals
44.3%
0.443
What is the constant of proportionality in the equation?
y = 3x
3
6% of 95
5.7
20% of what number is 18?
18/x = 20/100
x = 90
Percent → Fractions Simplified.
50%
1/2
Percents →Decimal
8.5%
.085
It takes 4 hours to crochet two scarves...write the equation that represents this proportional relationship.
Hint: y = kx
y=2x