1.
Find the solution of 72 +
z
= 84 if the value of
z
can be selected from the set {4, 8, 12, 16}.
A.
12
B.
16
C.
8
D.
4
Hint
2.
Which value for
b
makes the inequality
true?
A.
none of these
B.
6
C.
7
D.
5
Hint
3.
Three more than the product of 6 and a number is 51. Write an equation and find the number.
A.
3
n
(6) = 51;
B.
6 +
n
+ 3 = 51; 42
C.
3 + 6
n
= 51; 15
D.
6
n
+ 3 = 51; 8
Hint
4.
Use the flowchart to backtrack and find the solution.
A.
B.
4
C.
3
D.
213
Hint
5.
Use the flowchart to write an equation.
A.
B.
C.
D.
Hint
6.
Find a solution to the equation using guess-check-and-improve.
8
b
+ 17 = 41
A.
b
= 1
B.
b
= 18
C.
b
= 3
D.
b
= 17
Hint