Ratios
Proportions
Percent of a number
Percent Change
100
! ! ! ? ? ? ? ? What is the ratio of ! to ?
3 to 5
100
1:3 = 2:x
X= 6
100
What is 50% of 10
5
100
Original Amount: 300. New Amount: 180. What is the percent decrease?
40%
200
% % & & & & What is the ratio of % to &. Answer must be simplified
1 to 2
200
5:x = 10:2
x=1
200
What is 25% of 20
5
200
Original Amount: 50. New Amount: 92. What is the percent increase?
84%
300
11233444 What is the ratio of 4's to numbers?
3 to 8
300
x:21 = 3:7
x = 9
300
What is 75% of 80
60
300
A TV priced originally at 370 dollars increased in price to 444 dollars. What was the percent change?
20% increase
400
ABCDEFG What is the ratio of consonants to vowels?
5 to 2
400
30:6 = x:1
x=5
400
What is 30% of 30
9
400
A dress that cost 140 dollars was on sale for 35 dollars. What was the percent change?
75% decrease
500
Create your own ratio and give the answer for the following: # # # * * * * *
Correct!
500
49:7 = x:6
X = 42
500
What is 90% of 20
18
500
My shopping trip cost 250 dollars. After presenting some coupons, my total dropped to 235 dollars. How much percent did I save?
6%
M
e
n
u