Free GED middle school mathematics practice problems.

Unit 20 problems with answers from http://www.textbooksfree.org/
Need Help? Quick Notes Unit 20 Using Proportions and Part 3 Review will help
Go to PP 21 Practice Problems Index Mathematics Internet Library

Find the missing term in each proportion.

1)

2)
3)

4) The ratio of boys to girls in an advanced English class
is 6:5. How many girls are there in a class of 12 boys?

5) A map scale indicates that 1 cm equals 40 km. How far apart
are cities separated by 3.25 cm on this map? Hint: Each fraction
of the proportion will have the same measuring unit.

6) A pound (16 ounces) of hamburger contains 120 grams of fat.
How many grams of fat are there in a 4-ounce hamburger?

Find the missing term in each proportion.
1)	2)	3)
4) The ratio of boys to girls in an advanced English class is 6:5. How many girls are there in a class of 12 boys?
5) A map scale indicates that 1 cm equals 40 km. How far apart are cities separated by 3.25 cm on this map? Hint: Each fraction of the proportion will have the same measuring unit.
6) A pound (16 ounces) of hamburger contains 120 grams of fat. How many grams of fat are there in a 4-ounce hamburger?