1.
The solution for 124 -
a
= 77 is ______.
A.
57.
B.
211.
C.
47.
D.
201.
Hint
2.
Solve
6 mentally.
A.
24
B.
2
C.
12
D.
3
Hint
3.
When a number is decreased by 16, the result is 64. What is the number?
A.
48
B.
4
C.
1024
D.
80
Hint
4.
Which value is the solution of 3
x
– 7 = 14?
A.
6
B.
7
C.
9
D.
8
Hint
5.
Which value is the solution of
A.
117
B.
99
C.
108
D.
90
Hint