Topic 5 Ratio and Rate

Solve the proportion:

• 4

• 8

• 14

• 10

The brass section of a middle school jazz band has 8 trumpets and 6 trombones.

What is the ratio of trombones to all the brass section members?

• 14/6, 14:6, 14 to 6

• 8/14, 8:14, 8 to 14

• 6/14, 6:14, 6 to 14

• 8/6, 8:6, 8 to 6

José is using 13 brown tiles and 5 white tiles to design a section of an outdoor patio. Which ratio compares the number of brown tiles to the total number of tiles in one section?

• 13:5

• 5:13

• 13:18

• 5:18

The table shows the party affiliation of the senators of the 109th Congress.

The ratio of Republicans to Democrats is 5 : 4. What is the missing number in the table?

• 124

• 125

• 126

• 127

An animal shelter with only dogs and cats has a ratio of cats to dogs that is 6 : 4.

What is the ratio of dogs to all animals?

• 4/6

• 4/10

• 6/4

• 6/10

What is that number?

• 6

• 8

• 10

• 12

What is the unit price, per folder, in the package?

• $0.13

• $0.14

• $0.15

• $0.22

A rate in which the second quantity in the comparison is one unit.

• rate

• benchmark

• unit rate

• unit price

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

Ratios can be represented as... (Select ALL answers that apply!)

• A/B

• A to B

• A : B