rates and ratio

Select two ratios that are equivalent to 4:18

• 1:3

• 2:9

• 8:36

• 18:4

During a math game, a team kept track of their answers. The following diagram describes the number of answers they got right to the number they got wrong.

What is the ratio of right answers to wrong answers?

Choose 1 answer:

• 5:1

• 1:5

• 2:15

• 6:5

Stefan is making meringue with egg whites and sugar. He uses 25 grams of sugar for every egg white.

If Stefan uses 15 egg whites, how many grams of sugar does he use?1

• 400

• 50

• 375

• 40

Patrick's favorite shade of purple paint is made with 4 milliliters of blue paint for every 3 milliliters of red paint.

Which of the following paint mixtures will create the same shade of purple?

Choose two answers:

• 4 milliliters of blue paint for every 7 milliliters of red paint

• 8 milliliters of blue paint for every 6 milliliters of red paint

• 20 milliliters of blue paint for every 15 milliliters of red paint

• 12 milliliters of blue paint for every 16 milliliters of red paint

Safety standards require a pool to add 3 chlorine tablets to every 2,000 liters of water. Today, the lifeguards at Park Pool added 8 chlorine tablets to their pool's 10,000 liters of water.

How does Park Pool's chlorine compare to the safety standards?

Choose 1 answer:

• Has more chlorine than safety standards required

• Has less chlorine than safety standards required

• Has same amount of chlorine than saftey standards required

• I don't know

The double number line shows that a park lets 18 people on their water slide in 3 minutes.

Select the double number line that shows the other values of time and people.

Choose 1 answer:

• 
• 

The double number line shows that in 2 minutes, Pogo the dog can fetch a frisbee 6 times.

Based on the ratio shown in the double number line, how many times will Pogo fetch the frisbee in 4 minutes?

• 8

• 3

• 10

• 12

The double number line shows how many meters a dog can run in 1 second.

Which table represents the rate at which a dog can run?

• 
• 

Fred the clown can create 20 animal balloons every 15 minutes.

What would the equivalent ratio be when it's 6 minutes?

• 8:8

• 6:8

• 6:10

• 6:9

Federico read the nutritional information on a package of gummy bears.

The points on the following coordinate plane show how many gummy bears there are in 2, 3, and 5 servings.

How many gummy bears are there in 4 servings?

• 55

• 40

• 80

• 85