Ratios, Rates, And Proportions Worksheet With Answers
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16Ratios, Rates, and Proportions
Math 98 Supplement 1
LEARNING OBJECTIVES
1. Write ratios/rates as factions in simplest form.
2. Find unit rates.
3. Determine if a proportion is true.
4. Solve proportions.
5. Solve application problems with proportions.
6. Solve problems involving similar figures with proportions.
Ratios and Rates
RATIOS are used, typically, to compare two like quantities. For example, if there are 13 males
and 17 females, then the ratio of males to females is 13 to 17.
How to write a ratio.
Ratios can be written in three different ways. In the above example of 13 males to 17 females,
1. In words: 13 to 17.
2. As a fraction:
.
3. Using a colon: 13 : 17
In all three cases, we read “13 to 17”.
Example 1
During one particular month, the number of sunny days in Bellingham was
4 days while the number of rainy days was 12. Write the ratio of number
(
of sunny days to number of rainy days.
4 to 12
or
4:12
or
As you can see in the above example, since you can write any ratio as a fraction, ratio can be
written in simplest form by reducing the fraction.
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