1.
The solution for 124 -
a
= 77 is ______.
A.
47.
B.
211.
C.
201.
D.
57.
Hint
2.
Solve
6 mentally.
A.
24
B.
3
C.
2
D.
12
Hint
3.
Identify the solution to 34 - 2
z
= 20.
A.
8
B.
6
C.
7
D.
5
Hint
4.
Write ''16 less than a number is 28'' as an equation.
A.
n
+ 16 = 28
B.
28
C.
16
n
= 28
D.
n
- 16 = 28
Hint
5.
When a number is decreased by 16, the result is 64. What is the number?
A.
80
B.
48
C.
1024
D.
4
Hint