1.
Solve 3
x
= 18.
A.
21
B.
7
C.
15
D.
6
Hint
2.
A certain number is divided by 9, and then 6 is added to the result. The final answer is 21. Find the number.
A.
243
B.
183
C.
117
D.
135
Hint
3.
Find a number for
x
that will make the equation true.
x
÷ 8
7
A.
any number greater than or equal to 56
B.
56
C.
any number greater than 56
D.
any number less than or equal to 56
Hint
4.
Fill in the ovals for the flowchart.
A.
33, 30
B.
30, 27
C.
30, 11
D.
30, 33
Hint
5.
Find a solution to the equation using guess-check-and-improve.
8
b
+ 17 = 41
A.
b
= 18
B.
b
= 1
C.
b
= 17
D.
b
= 3
Hint
6.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
k
· (18 +
k
) = 67.84
A.
k
= 13.2
B.
k
= 3.2
C.
k
= 9.8
D.
k
= 13.5
Hint