Basic Mathematics for College Students

310 Chapter 3 Summary and Review

Evaluate each expression.

105.

106.

107.

108.

Simplify each complex fraction.

109. 
     
     
     
     110. 
          
     
     
     
     


110. 
     
     
     
     112. 
          
     
     
     
     


111. Subtract from the sum of and.


112. Add to the difference of and.


113. Evaluate the formula for ,
     , and .h 2

7

9

b 4

7

8

a 1

1

8

A

1

2

h(ab)

3

1

4

4

5

8

12

11

16

1

1

2

5

1

5

4

1

8

5

1

4

7

4

a

1

3

b

2

3



1

6



3

4



1

2

4 

2

7

4

1

7

3

5



17

20

`

9

16

 2

1

4

` a 3

7

8

b

a

11

5

 1

2

3

ba

4

9

 18 b

a

2

3



16

9

ba 1

2

3



1

15

b

3

4

a

1

3

b

2

a

5

4

b

116. Evaluate the formula for

and.

117. DERMATOLOGY A dermatologist mixes
     ounces of cucumber extract, ounces of aloe
     vera cream, and ounce of vegetable glycerin to
     make his own brand of anti-wrinkle cream. He
     packages it in -ounce tubes. How many full tubes
     can be produced using this formula? How much
     cream is left over?


118. GUITAR DESIGN Find the missing dimension
     on the vintage 1962 Stratocaster body shown
     below.

5 in.–– 165? 4 in.^3 – 4

––^1

18 in. 16

5

6

3

4

(^1 122 23)
w 3

1

4

 2

1

3

P 2  2 w

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