Math 38
Chapter 4
PINK
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NO CALCULATOR nor cell phone nor tablet/computer. ... and NO NOTES.
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Write the mixed number as an improper fraction.
8
1) 3
1)
9
Write the improper fraction as a mixed or whole number.
34
2)
5
2)
Write the fraction in simplest form.
12
3)
54
3)
18
63
4)
5)
6k3
3k
5)
6)
36g3 h 2
135gh
6)
4) -
Multiply or Divide. Write the answer in simplest form.
1 5
·
7)
10 6
7)
8)
3 1 1
· ·
5 7 3
8)
9)
y x4
·
x2 y4
9)
10)
5 1
÷
3 9
10)
11)
6
12
÷
7x x2
11)
1
12)
16x2 24x
÷
15y
25y
12)
13)
4 7
3
÷
·
7 4 16
13)
14)
77 216
11
÷
·
36 49
7
14)
Decide whether the given replacement value is a solution of the given equation.
9
9
a solution to 7x = ?
15) Is 70
10
Solve. Write the fraction in simplest form.
16) A warehouse stores 2500 different inventory items.
4
of these items are perishable. How
25
15)
16)
many of the inventory items are perishable?
17) Find the area of the rectangle. Write the answer in simplest form. Recall that the area =
length · width.
A=
6
foot
9
B=
1
foot
3
Add or subtract as indicated. Write the answer in simplest form.
5 1
18) +
9 9
19) -
15
5
+
16 16
17)
18)
19)
2
20) -
5
2
- 20
20
20)
Evaluate the expression for the given replacement values. Write the answer in simplest form.
1
5
for x = , y =
21) x + y
2
2
Find the perimeter of the figure.
22)
21)
22)
9
centimeter
80
9
centimeter
56
Triangle
9
centimeter
40
Simplify the complex fraction.
2
5
23)
2
7
24)
Simplify.
25)
26)
23)
1
16
24)
1
45
8 1 1
÷ ·
3 8 4
25)
2 2
2 1
÷
3
3 6
26)
3
Find the average of the pair of numbers.
1 8
,
27)
10 35
27)
Perform the indicated operation. Write the answer as a MIXED NUMBER in simplest form.
1
3
28) 4 · 3
6
5
28)
29) 2
4
1
·1
7
6
29)
30) 1
2
7
÷4
3
12
30)
31) 18
32) 2
33)
1
3
+ 14
3
9
31)
8
7
+5
9
12
32)
33)
7
16
10
-7
1
10
4
34)
34)
1
12
9
-3
5
9
Perform the indicated operation. Write the answer as a mixed number in simplest form.
2
3
35) -10 + 7
5
10
36) 13
4
2
+ -9
11
77
35)
36)
5