1.
Solve 3
x
= 18.
A.
15
B.
7
C.
6
D.
21
Hint
2.
Solve 5 +
y
= 11.
A.
16
B.
6
C.
2
D.
7
Hint
3.
The perimeter of a square is 4 times the length of a side. Use the equation
P
= 4
s
to find the perimeter of a square whose side has a length of 6 inches.
A.
36 in.
B.
12 in.
C.
10 in.
D.
24 in.
Hint
4.
Solve 5
x
= 55.
A.
11
B.
12
C.
9
D.
5
Hint
5.
Mrs. Robinson bought each of her two daughters a red, white, and blue striped sweater. Her total came to $33.30. Find an equation that shows how much each sweater cost. Use
s
to represent of the cost of 1 sweater.
A.
= 33.3
B.
2
s
= 33.3
C.
2 +
s
= 33.3
D.
s
- 2 = 33.3
Hint