Ratios and rates: ratios and rates

3 to 2

1 to 9

5 books to 4 people

120 miles to 2 hours

8 liters to 3 liters

$\frac{9}{5}$

$\frac{1}{3}$

$\frac{\text{25 miles}}{\text{2 gallons}}$

$\frac{\text{2 mechanics}}{\text{4 wrenches}}$

$\frac{\text{15 video tapes}}{\text{18 video tapes}}$

Two numbers can be compared by subtraction if and only if .

A comparison, by division, of two pure numbers or two like denominate numbers is called a .

A comparison, by division, of two unlike denominate numbers is called a .

$\frac{6}{\text{11}}$ is an example of a . (ratio/rate)

$\frac{5}{\text{12}}$ is an example of a . (ratio/rate)

$\frac{\text{7 erasers}}{\text{12 pencils}}$ is an example of a . (ratio/rate)

$\frac{\text{20 silver coins}}{\text{35 gold coins}}$ is an example of a .(ratio/rate)

$\frac{\text{3 sprinklers}}{\text{5 sprinklers}}$ is an example of a . (ratio/rate)

$\frac{\text{18 exhaust valves}}{\text{11 exhaust valves}}$ is an example of a .(ratio/rate)

$\frac{8}{3}$

$\frac{2}{5}$

$\frac{\text{8 feet}}{\text{3 seconds}}$

$\frac{\text{29 miles}}{\text{2 gallons}}$

$\frac{\text{30,000 stars}}{\text{300 stars}}$

$\frac{\text{5 yards}}{\text{2 yards}}$

$\frac{\text{164 trees}}{\text{28 trees}}$

12 to 5

81 to 19

42 plants to 5 homes

8 books to 7 desks

16 pints to 1 quart

4 quarts to 1 gallon

2.54 cm to 1 in

80 tables to 18 tables

25 cars to 10 cars

37 wins to 16 losses

105 hits to 315 at bats

510 miles to 22 gallons

1,042 characters to 1 page

1,245 pages to 2 books

( [link] ) Convert $\frac{\text{16}}{3}$ to a mixed number.

( [link] ) $1\frac{5}{9}$ of $2\frac{4}{7}$ is what number?

( [link] ) Find the difference. $\frac{\text{11}}{\text{28}}-\frac{7}{\text{45}}$ .

( [link] ) Perform the division. If no repeating patterns seems to exist, round the quotient to three decimal places: $\text{22}\text{.}\text{35}÷\text{17}$

( [link] ) Find the value of $1\text{.}\text{85}+\frac{3}{8}\cdot 4\text{.}1$