Constant Ratios

In a garden, there are 5 tulip trees and 7 palm trees. Which ratio shows the number of tulip trees to the number of palm trees?

• 5/12

• 7/12

• 5/7

• 7/5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In Ryan's kitchen there are 15 black tiles and 10 white tiles. What is the ratio (in simplest form) of white tiles to black tiles?

• 2/5

• 5/3

• 2/3

• 3/2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

At a certain computer company, for every 20 computers that pass inspection, 4 computers do not pass inspection. If it is known that 10 computers did pass inspection, how many computers did not pass inspection?

• A) 2

• B) 3

• C) 4

• D) 8

Every 6 months, Andrea reads 10 novels. If she continues to read this many novels for every 6-month period, how many months will it take for her to read 15 novels?

• A) 7 months

• B) 9 months

• C) 12 months

• D) 15 months

Tags

CCSS.6.RP.A.3B

In the park, the ratio of ducks to geese is 3 to 7. If there are 14 geese, then what is the number of ducks in the park?

• A) 4

• B) 3

• C) 5

• D) 6

In a box of mixed nuts, the ratio of cashews to almonds is 1 to 3. How many cashews are in the box if there are 12 almonds?

• A) 1

• B) 2

• C) 3

• D) 4

Ralph is covering a bulletin board with colored sheets of paper. The ratio of the number of sheets of red paper to the number of sheets of blue paper is 4 to 9. If there are 36 sheets of blue paper, how many sheets of red paper are there?

• A) 7

• B) 8

• C) 9

• D) 16

The number of sheets of pink paper is 1 to 3. How many sheets of pink paper will Ralph need if he uses 3 sheets of red paper?

• 6

• 8

• 9

• 12

This weekend Karen participated in a road race. The ratio of the number of miles she ran to the number of miles she walked is 4 : 5. How many miles did Karen run if she walked 10 miles?

• 2 mi.

• 4 mi.

• 6 mi.

• 8 mi.

In a 7th grade class, there is 1 boy for every 2 girls. How many girls are in the class if there are 18 boys?

• 20

• 25

• 36

• 38

Tags

CCSS.6.RP.A.3B