Equations And Inequalities Cumulative Review Worksheet With Answers - Nj Center For Teaching And Learning Page 5
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2
3
4
5
6
71
2
�� + 5�� + ��
for �� = 12.
39. Evaluate
3
1
40. Evaluate 3�� + 2�� − 6�� for �� = 8.7, �� = 1
, ������ �� = 0.75.
2
Answer Key
1.
a. 8x + 10y
b. 2(4x + 5y)
2.
866
3.
29; -29
(9 + 10 + 2 ∙ 8) ÷ 4; $8.75
4.
5.
5
6.
48 guests, 3 packs of invitation cards, 4 packs of envelopes
7.
20 students
8.
$41.07; $58.93
9.
28.75 feet
10. 86
11. 12.43
12.
a. Minimum: 5; lower quartile: 6.5; median: 10.5; upper quartile: 13;
maximum: 18
b.
Push-Up Challenge
c. 13
d. 6.5
13.
3
a. 3 ( 81 − ��
)
9
or �� + �� + ( 9 ÷ �� )
b. �� + �� +
��
c. �� + �� + �� + �� or 4��
d. 6 ( �� + �� ) − 2 ( 8 − �� )
e. 12�� − 7
��−11
or ( �� − 11 ) ÷ ( �� + 18 )
f.
��+18
14.
a. Mean: 137.35 months; Median: 137 months; Mode: 134 months
b. Mean: 137. 3 ̅ months; Median: 137 months; Mode: 134 and 137 months
15. ( 3 × 9 ) + ( 2 × 6 ) = $39
16.
~ 5 ~
NJ Center for Teaching and Learning
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