and 
and 
and 
and 
7)
_____
8)
_____ 
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Unit 19
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Unit 19 Proportions
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PP 20
Practice Problems Index
Mathematics Internet Library
| Find out if the following ratios are in proportion (equal) using cross multiplication. | ||
| 1) 2:4 and 6:12
|
2) and
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3) 2:5 and 11:20 |
| Use cross multiplication to determine which fraction is larger. | ||
|
4) and
|
5) and |
6) and |
| Complete statements 7, 8, and 9 using either >, <, or =. | ||
7) _____ |
8) _____ |
9) _____
|
| 10) 4 of 5 girls and 8 of 10 boys passed a recent English test.
Are these ratios in proportion?
|
11) A survey found that 5 of 9 students go to
the library at least once a week. For honor
students, the ratio was 18 to 25. Does
one group have a higher ratio than the other?
|