Writing Ratios
Ratio Word Problems
Proportions
Percents
Word Problems
100
Mr. Matiash has 10 boys and 12 girls in his class. What is the ratio of boys to the whole class?
10:22
100
Two numbers are in the ratio of 3:6. The sum of the two numbers is 18. What are the numbers?
6 and 12
100
Solve for x: x/4=9/12
3
100
What is 40% of 300?
120
100
A baseball card was originally worth $3 and over time the price rose to $12. What was the percent of increase in the value of the card?
300%
200
In a bag there are 5 red marbles, 7 green marbles, and 10 blue marbles. What is the ratio of green marbles to blue marbles?
7:10
200
Two numbers are in the ratio of 4:9. If their sum is 39, what is the value of the larger number?
27
200
Solve for x: 3/x=18/42
7
200
20 is what percent of 80?
25%
200
A sweater that costs $80 is on sale for 40% off. What is the new price of the sweater?
$48
300
What is the ratio of teachers to students in this room right now?
Figure it out!
300
Three numbers are in the ratio of 3:7:11. If their sum is 42, what is the value of the middle number?
14
300
(x-2)/4=5/2
12
300
24 is 30% of what number?
80
300
If Jimmy received a bill of $14 at Buffalo Wild Wings and wants to leave a 20% tip, how much should his total bill cost him?
$16.80
400
In a group of 12 people, 4 people liked vanilla ice cream, 7 people liked strawberry ice cream and 1 person like chocolate ice cream. What is the ratio of people who like vanilla to the people that like chocolate?
4:1
400
Two numbers are in the ratio of 6:2. If their difference is 16, what is the value of the smaller number?
8
400
7/3=x/6
14
400
What percent of 50 is 10?
20%
400
A cars value went from $15,000 to $9,000. What is the percent of decrease in the price of the car?
40%
500
What is the ratio of pencil sharpeners to teachers desks in this room?
3:2
500
Three angles of a triangle are in the ratio of 3:6:9. What is the value of the largest angle of the triangle? (Hint: think about how many degrees a triangles angles will add up to)
90 degrees.
500
Solve for x: (x-3)/15=2/3
13
500
42 is what percent of 140?
30%
500
Tom is buying a new pair of shoes. The price of the shoes is $140, but they are on sale for 30% off. There is also a sales tax of 8% to be added to the new price. What is the final price of the pair of shoes?
$105.84