Equivalent Ratios
Ratios and Proportions
100

The ratio of apples to oranges is 2:5. What is the equivalent ratio when both numbers are multiplied by 2?

4:10

100

The ratio of red marbles to blue marbles is 2:3. How many blue marbles are there if there are 4 red marbles?

What is 6 blue marbles?

200

The ratio of men to women in a workforce is 7:23. What is the equivalent ratio when both numbers are multiplied by 19?

What is 133:437?


200

If the ratio of apples to oranges is 5:8, how many apples are there if there are 40 oranges?

What is 25 apples

300

If the ratio of flour to sugar in a recipe is 4:5, what is the equivalent ratio when you divide both parts by 4?

What is 1:1.25?

300

A class of 30 students has a ratio of 2:5 of boys to girls. How many boys and girls are in the class?

What is 12 boys and 18 girls?

400

The ratio of students who passed a test to those who failed is 7:3. What is the equivalent ratio when you multiply both numbers by 4?

What is 28:12

400

If 7 out of 21 students in a school play are absent, what is the ratio of absent students to the total number of students in the play?

What is 7:21

500

If you have the ratio 2:5, what is the equivalent ratio when you multiply both numbers by 3?

What is 6:15

500

A car’s fuel efficiency is 25 miles per gallon. If the car has 14 gallons of gas, how many miles can it travel before running out of fuel?

What is 350 miles