Rates and ratios

The ratio of cats to dogs seen by a veterinarian in one day is 2 to 5. If a vet saw 40 dogs in one day, how many cats did he see?

• 5

• 16

• 29

• 40

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

At a sports camp, there is one counselor for every 12 campers. If there are 156 campers attending the camp, which equivalent ratio could be used to find the number of counselors?

• $\frac{x}{12}=\frac{1}{156}$

• $\frac{12}{1}=\frac{x}{156}$

• $\frac{1}{12}=\frac{x}{156}$

• $\frac{x}{1}=\frac{12}{156}$

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

A car jack requires a force of 110 pounds to lift a 2,500 pound car. In simplest form, what is the ratio of the car's weight to the force required to lift the car?

• $\frac{11}{250}$

• $\frac{2500}{110}$

• $\frac{110}{2500}$

• $\frac{250}{11}$

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A baker is making an oversized sheet cake for a school dance. The recipe calls for 2 cups of sugar for every 3 cups of flour. How many cups of flour are needed if she is using 18 cups of sugar?

• 27 cups

• 18 cups

• 9 cups

• 6 cups

Tags

CCSS.6.RP.A.3B

Scrapbook paper is on sale at the dollar store. Which rate gives the best price for scrapbook paper?

• 10 sheets for $2.00

• 6 sheets for $0.60

• 5 sheets for $1.00

• 3 sheets for $0.60

Tags

CCSS.6.RP.A.3B

Which of the following ratios is equivalent to

 $\frac{5}{7}$  ?

•  $\frac{10}{12}$  

•  $\frac{3}{5}$  

•  $\frac{15}{17}$  

•  $\frac{10}{14}$  

Tags

CCSS.6.RP.A.3A

Carson is making dog biscuits. She can make 10 biscuits with 2 cups of whole wheat flour. How many cups of whole wheat flour will she need to make 35 biscuits? 

• 28

• 14

• 7

• 9

Tags

CCSS.6.RP.A.3B

A school population was predicted to increase by 50 students a year for the next 10 years. If the current population is 700 students, what will the enrollment be after 10 years?

• 50 students

• 1,200 students

• 500 students

• 7,000 students

Tags

CCSS.7.EE.B.3

The local supermarket has the following fruits on sale. Bananas are $0.60 per pound. Apples are $1.89 per pound and grapes are $1.00 per pound. To the nearest cent, what is the cost of 3.5 pounds of grapes?

• $2.85

• $2.88

• $3.50

• $3.63

Tags

CCSS.7.EE.B.3

Mr. Jones bought 5 pounds of feed for his chickens for $10. How much did the feed cost per pound in dollars?

• $0.50

• $1.00

• $1.50

• $2.00

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2