Using Substitutions To Solve Problems Worksheet Page 4
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20Answer Key
Name:
Using Substitutions to Solve Problems.
Determine which option(s) the variable 'e' could be. If none of the options could be the
A n s w e r s
variable write 'none'.
B,C,D
Ex)
1)
2)
10e + 3 < 92
2 × e < 15
7 × e > 70
Ex.
A. 10
A. 6
A. 6
A,C
1.
B. 4
B. 8
B. 9
C. 6
C. 1
C. 7
none
2.
D. 2
D. 9
D. 8
A,B,C,D
3.
A,C
4.
3)
4)
5)
5 + 2e < 28
10 × e > 57
2 × e > 12
B
5.
A. 3
A. 6
A. 1
B. 5
B. 5
B. 10
none
6.
C. 8
C. 9
C. 4
C,D
D. 6
D. 1
D. 6
7.
D
8.
C
9.
6)
7)
8)
3 + 4e > 41
6 × e < 18
3e + 10 > 33
B
A. 5
A. 9
A. 1
10.
B. 9
B. 3
B. 5
A,B,D
11.
C. 7
C. 2
C. 4
D. 8
D. 1
D. 9
9)
10)
11)
3 + 9e > 71
3e + 7 > 28
10 × e > 63
A. 2
A. 6
A. 9
B. 1
B. 9
B. 10
C. 8
C. 4
C. 4
D. 3
D. 5
D. 7
1-10 91 82 73 64 55 45 36 27 18 9
2
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11
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