1.
The solution for 124 -
a
= 77 is ______.
A.
211.
B.
201.
C.
57.
D.
47.
Hint
2.
Solve
6 mentally.
A.
24
B.
2
C.
3
D.
12
Hint
3.
Identify the solution to 34 - 2
z
= 20.
A.
5
B.
8
C.
6
D.
7
Hint
4.
Write ''16 less than a number is 28'' as an equation.
A.
n
- 16 = 28
B.
28
C.
n
+ 16 = 28
D.
16
n
= 28
Hint
5.
Which value is the solution of
A.
117
B.
90
C.
99
D.
108
Hint