Ratios

The original length of a copper rod is 18 feet. The rod is split in the ratio 3 : 2. Find the length of the longer rod.

• 10.8 feet

• 10.6 feet

• 10.4 feet

• 11 feet

Answer explanation

WKNT

A room is 14 feet long. Find the width of the room, if the ratio of the length to the width of the room is 7 : 5.

• 10

• 12

• 14

• 16

Answer explanation

WKNT

Lara and Mae are collecting seashells. For every 9 seashells that Lara picked, Mae gathered 7 seashells. If Lara collected 63 seashells, how many fewer seashells did Mae gather?

• 16

• 14

• 15

• 13

Answer explanation

Set up your proportion and cross multiply then divide.

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Rebeca and Leila each added the same amount of water to their aquariums. Rebeca mixed 3 mL of chemical solution for every gallon of water for her aquarium. Leila mixed 8mL of chemical solution for every 2 gallons of water for her aquarium. Which of these statements is true?

• Rebeca used more solution per gallon of water than Leila, because 3:1 is greater than 8:2.

• Leila used more solution per gallon of water than Rebeca, because 8mL is greater than 3 mL.

• Rebeca used more solution per gallon of water than Leila, because 3 mL is greater than 2 mL.

• Leila used more solution per gallon of water than Rebeca, because 8:2 is greater than 3:1.

Tags

CCSS.6.RP.A.3A

At Jayden's school, the ratio of those who love dogs to cats is 17 to 20. At Jordan's school, the ratio of those who love dogs to cats is 36 to 40. If both schools have the same total number of students, which statement about the number of people who love dogs at Jayden's and Jordan's school is true?

• There are more people who love dogs at Jordan's school than at Jayden's school because the ratio 17 to 20 is greater than the ratio 36 to 40.

• There are more people who love dogs at Jordan's school than at Jayden's school because the ratio 36 to 40 is greater than the ratio 17 to 20.

• There are more people who love dogs at Jayden's school than at Jordan's school because the ratio 36 to 40 is greater than the ratio 17 to 20.

• There are more people who love dogs at Jayden's school than at Jordan's school because the ratio 17 to 20 is greater than the ratio 36 to 40.

Tags

CCSS.6.RP.A.3A

Juan works at Best Buy. He earns $73.60 for 8 hours of work. Jasmine works at Game Stop and earns $38.00 for 4 hours of work. How does the amount Juan earns per hour compared to the amount Jasmine earns per hour?

• Juan's hourly rate is more than Jasmine’s hourly rate.

• Juan's hourly rate is the same as Jasmine’s hourly rate.

• Juan's hourly rate is less than Jasmine’s hourly rate.

• Juan's hourly rate double Jasmine’s hourly rate.

Tags

CCSS.6.RP.A.3B

A box hold 20 marbles. There are 13 green marbles and the rest are yellow. What is the ratio of yellow marbles to green marbles.

• 20 to 13

• 7 to 13

• 13 to 7

• 33 to 13

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Joseph went to a farm with 23 animals. 9 were goats, 6 were sheep, and the rest were dogs. What is the ratio of dogs to goats?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag contains red chips and blue chips. The ratio of red chips to blue chips is 4 to 5. Which of the following statements could be true.

• There are exactly 5 red chips and 4 blue chips

• There are exactly 24 red chips and 30 blue chips

• There are exactly 12 red chips and 15 blue chips

• There are exactly 30 red chips and 24 blue chips