1.
What is the solution of 4.1 + 2
p
= 6.5?
A.
1.2
B.
2.4
C.
8.9
D.
6.5
Hint
2.
What is the solution of 2.5
a
+ 12 = 5
a
?
A.
24
B.
2.5
C.
30
D.
4.8
Hint
3.
Find a solution to the equation using guess-check-and-improve.
–25 – 3
k
= –7 + 3
k
A.
k
= 4
B.
k
= 1
C.
k
= –3
D.
k
= –6
Hint
4.
Nine more than a number is the same as 18 less than 4 times the same number. What is the number?
A.
y
= –9
B.
y
= 9
C.
y
= 8
D.
y
= –8
Hint
5.
Find the balance puzzle that matches the equation.
3
n
+ 6 = 4
n
+ 9
A.
B.
C.
D.
Hint
6.
Ken and Mali put candies in bags to give away at Ken's birthday party. They started with an equal number of candies and put the same number in each bag. Ken filled nine bags and had three candies left. Mali filled eight bags and had ten candies left. How many candies were in each bag?
A.
8 candies
B.
10 candies
C.
9 candies
D.
7 candies
Hint
7.
Diana needed to borrow some money from her friends Zach and Kenyon. She told them that if it took more than 2 days to pay them back, she would triple the amount they borrowed her. Diana got a check for $60 and was able to pay them back, but it was three days later. Which expression represents the amount of money Diana had after paying her friends back?
A.
60 – (
x
+
y
)
B.
60 – 3
x
+
y
C.
60 – 3(
x
+
y
)
D.
60 –
x
+
y
Hint
8.
Simplify the expression.6
e
– 2(10
e
– 1)
A.
2 – 14
e
B.
–12
e
C.
–6
e
+ 2
D.
1 – 14
e
Hint
9.
Using
n
, find the expression for this
Think of a Number
trick.
Think of a number.
Multiply by 2.
Add 4.
Divide by 2.
Add 6.
Subtract the number you started with.
A.
B.
C.
D.
Hint
10.
Which equation is not the same as the other three?
A.
B.
C.
D.
6 + 2
y
=
x
Hint