Ratios, Rates, Percents, Proportionality

Which of the following is an equivalent fraction of 2/3?

• 2/33

• 12/13

• 20/30

• None of these choices are equivalent

The comparison of two quantities using division is called a ___.

• value

• ratio

• century

• decimal

If the ratio of swans to geese is 3:21 is a medium pond, which of these represents an equivalent ratio for a larger pond?

• 42 swans to 6 geese

• 7 swans to 1 goose

• 6 swans to 24 geese

• 9 swans to 63 geese

At the city pool there is 2 lifeguards for every 70 swimmers. How many lifeguards are needed for 210 swimmers?

• 6

• 5

• 4

• 3

A ratio that compares two numbers with different units of measure, like 60 mins to run 7 miles, is called a ___.

• equation

• mph

• rate

• reason

Unit rates can be used to compare products. If a box of Girls Scout cookies cost $5 and has 44 cookies, what is the unit price, or cost per cookie?

• 0.11

• 8.8

• 39

• 0.16

What is Tom Brady's average unit rate of touchdowns per season if he has scored 649 touchdowns in 22 seasons during his NFL career?

• 0.0339

• 29.5

• 627

• 671

"Per" "cent" means....

• divide by 100

• multiply by 100

• pretty penny

• divide by 20

Write 34% in decimal form.

• 0.0034

• 0.034

• 3.4

• 0.34

Write 34% in simplified fraction form.

• 34/100

• 17/50

• 12/50

• 3/4