1.
The solution for 124 -
a
= 77 is ______.
A.
211.
B.
57.
C.
201.
D.
47.
Hint
2.
Solve
6 mentally.
A.
24
B.
3
C.
12
D.
2
Hint
3.
Write ''16 less than a number is 28'' as an equation.
A.
n
+ 16 = 28
B.
n
- 16 = 28
C.
28
D.
16
n
= 28
Hint
4.
Translate ''a product of a number and seven is 49'' into an equation.
A.
49
B.
x
- 7 = 49
C.
7
x
= 49
D.
x
+ 7 = 49
Hint
5.
Which value is the solution of 3
x
– 7 = 14?
A.
9
B.
8
C.
6
D.
7
Hint