6.1 Ratios proportions and the geometry mean

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 c of cats.

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.7.RP.A.3

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

26 is 5% of what number?

• 1.3
• 2.5
• 25.95
• 520

Tags

CCSS.6.RP.A.3C

What is 30% of 80?

• 30
• 24
• 2.4
• 56

Tags

CCSS.6.RP.A.3C

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• 1
• 3
• 6
• 5

Tags

CCSS.7.RP.A.2B

Solve the Proportion:
X/9 = 9/27

• 9
• 3
• 81
• 245

Tags

CCSS.7.RP.A.2B

Does 3/10 = 5/50?

• No
• Yes
• I don't know
• uhhhhhhhhhh...

Tags

CCSS.4.NF.A.2