Ratios Equivalent Ratios and Ratio Language

The ratio 14:18 is equivalent to which of the following?

• 2:4

• 7:9

• 9:7

• 4:2

A cookie recipe calls for 3 cups of flour and 2 cups of chocolate chips. What is the ratio of chocolate chips to flour?

• 3 : 2

• 3 to 2

• 6 : 4

• 2 : 3

A math club has 25 members, of which 11 are males and the rest are females. What is the ratio of males to all club members?

• 15:11

• 11:25

• 25:11

• 11:15

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

• 4 tablets

• 5 tablets

• 6 tablets

• 8 tablets

Is this an example of an equivalent ratio?

• True

• False

The table shows the number of students who play each instrument in the marching band. What is the ratio of students who play trumpet to students who play flute?

• 15:11

• 11:15

• 15:26

• 4:7

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Jenny has 3 guitars. Steve has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?

• Jenny

• Steve

• It doesn't matter

• Les Paul

What is a Ratio?

• Is a comparison of two quantities 

• To multiply two fractions 

• A number over another number

• Two decimals that can be multiplied

Last year the boys' softball team had 8 fifth-grade students and 7 sixth-grade students. What was the ratio of sixth-grade students to fifth-grade students on the team?

• 7:8

• 3:1

• 11:32

• 31:33