1.
VideoMart Electronics sold 150 DVD players and VCRs during their last weekend sale for a total of $21,050. The DVD players sold for $175 and the VCRs sold for $95. How many VCRs were sold?
A.
75
B.
65
C.
85
D.
95
Hint
2.
What is the solution of 4.1 + 2
p
= 6.5?
A.
6.5
B.
2.4
C.
1.2
D.
8.9
Hint
3.
In a bag of 53 cherry- and watermelon-flavored candies, there are 19 more watermelon than cherry candies. Write an equation to determine how many candies are cherry.
A.
If
w
= number of watermelon candies,
w
+ 19 = 53.
B.
If
w
= number of watermelon candies,
w
+ (
w
+ 19) = 53.
C.
If
c
= number of cherry candies,
c
+ (
c
+ 19) = 53.
D.
If
c
= number of cherry candies,
c
+ 19 = 53.
Hint
4.
In a bag of 53 cherry and watermelon-flavored candies, there are 19 more watermelon than cherry candies. How many cherry candies are there?
A.
19
B.
17
C.
34
D.
36
Hint
5.
Find how many blocks are in each bag to balance the scale.
A.
5
B.
7
C.
6
D.
8
Hint
6.
Solve this equation by imagining a balance puzzle.6
n
+ 14 = 10
n
+ 6
A.
n
= 2
B.
n
= 4
C.
n
= 3
D.
n
= 1
Hint
7.
Solve the equation for
r
.
7
r
+ 6 = 4
r
– 9
A.
r
= 6
B.
r
= 2
C.
r
= –3
D.
r
= –5
Hint
8.
Simplify the expression.
w
–
z
(
x
+
y
)
A.
w
–
zx
+
zy
B.
w
–
zx
–
y
C.
w
–
zx
–
zy
D.
w
+
zx
+
zy
Hint
9.
Which equation is not linear?
A.
y
= –2(–8 –
x
) – 5
x
(
x
– 1)
B.
5
x
– 2
y
= 4.1
C.
–3
y
+
x
– 16 + 2.9
x
= 0
D.
Hint
10.
Which equation is not the same as the other three?
A.
–5
x
= –
y
+ 3
B.
y
+ 5
x
= 3
C.
5
x
–
y
+ 3 = 0
D.
y
– 3 = 5
x
Hint