Proportions with scale,ratio,represents

A scale model of 3 cm is approximately 2 meters. The length of the actual hood of the car is 10 meters. What is the length of the hood of the model in cm?

• 3.5 m

• 2.5 cm

• 15 cm

• 6 cm

Tags

CCSS.7.RP.A.2C

On a map 1 cm represents 2 km. The highway that runs from one end of the city to the opposite end measures 3.5 cm on the map. What is the actual distance of this section of highway?

• 7 km

• 1.75 km

• 2 km

• 70 km

Tags

CCSS.6.RP.A.3B

A map is drawn to the scale of 1 cm = 2 km. If the distance between the school and post office measures 5 cm on the map, what is the actual distance between them?

• 20 cm

• 1 cm

• 10 km

• 2.5 km

Tags

CCSS.7.RP.A.2C

Danielle used 8 centimeters of tape to wrap 4 presents. How many presents did Danielle wrap if she used 30 centimeters of tape?

• 15 presents
• 16 presents
• 14 presents
• 13 presents

Tags

CCSS.4.MD.A.2

A recipe requires 2 cups of milk for every 3 cups of flour. If you use 8 cups of milk, how many cups of flour do you need?

• 9
• 12
• 16
• 6

You jog 2 kilometers in 12 minutes. At this rate, how long will it take you to complete a 5-kilometer race?

• 24 minutes

• 6 minutes

• 30 minutes

• 4.8 minutes

Tags

CCSS.6.RP.A.3B

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number of cats.

• c=15
• c=18
• c=21
• c=16

The ratio of numbers of girls and boys participating in sports of a school is 4:5 (means 4 to 5) . If the number of girls is 16, determine the number of boys participating in the sports.

• 205

• 78

• 20

• 45

The ratio of blue marbles to red marbles in a bag is 4 to 9. If there are 24 blue marbles, how many red marbles are there?

• 4

• 54

• 9

• 36

In my fish tank, the ratio of red fish to blue fish is 3 to 5. There are 20 blue fish. How many red fish are there?

• 18

• 12

• 4

• 15