1.
Translate ''two times a number is six times the sum of
z
and
y
'' into an equation, inequality, or formula.
A.
2
x
= 6
z
+
y
B.
2
x
= 6(
z
+
y
)
C.
2
x
= 6 (
zy
)
D.
2 +
x
= 6 +
z
+
y
Hint
2.
Solve 15 +
a
= 10.
A.
a
= 150
B.
a
= 25
C.
a
= -25
D.
a
= -5
Hint
3.
Solve 2
x
= -10.
A.
x
= 8
B.
x
= -12
C.
x
= 5
D.
x
= -5
Hint
4.
Solve the equation 3
b
- 5 = 18.
A.
b
=
B.
b
= 26
C.
b
=
D.
b
= 20
Hint
5.
A 50-mile trip uses 2 gallons of gas. How much gas would you use on a 115-mile trip?
A.
5 gallons
B.
25 gallons
C.
4 gallons
D.
4.6 gallons
Hint
6.
Translate the sentence into an equation. Seven times
v
subtracted from 102 equals 53.
A.
7(102) –
v
= 53
B.
102 – 7
v
= 53
C.
7(102 –
v
) = 53
D.
7
v
– 102 = 53
Hint
7.
Solve
c
+ 149 = 213.
A.
c
= 362
B.
c
= -64
C.
c
= -362
D.
c
= 64
Hint
8.
Solve
A.
B.
y
= 27
C.
D.
y
= -27
Hint
9.
Solve
A.
a
= -90
B.
a
= 90
C.
D.
Hint
10.
Solve
A.
All Real Numbers
B.
x
= 6
C.
x
= -6
D.
No Solution
Hint
11.
Solve 15(
s
– 3) = 12
s
– 43.
A.
B.
C.
D.
Hint
12.
The scale of a map is
inch = 10 miles. What is the distance between two cities that are
inches apart on the map?
A.
95 miles
B.
100 miles
C.
80 miles
D.
90 miles
Hint
13.
Find the total cost of three shirts at $25.99 each with a sales tax of 5.5%.
A.
$120.85
B.
$83.47
C.
$82.26
D.
$77.97
Hint
14.
Last year, an internet service provider's fee was $17.99 per month. This year, the same internet service provider charges $19.99 per month. Rounded to the nearest percent, what is the percent of increase for internet service?
A.
15%
B.
11%
C.
2%
D.
9%
Hint
15.
Solve 2
x
+ 8
y
= 48 for
y
.
A.
y
= -2
x
+ 48
B.
C.
y
= -2
x
+ 6
D.
Hint
16.
Use the formula
P
= 2
l
+ 2
w
to find the length of a rectangle whose perimeter is 57 inches and whose width is 13 inches.
A.
31 inches
B.
22 inches
C.
15.5 inches
D.
10.3 inches
Hint
17.
A chemistry experiment calls for a 25% solution of copper sulfate. Juanita has 20 milliliters of 15% solution. How many milliliters of 35% solution should she add to obtain the required 25% solution?
A.
20 milliliters
B.
15 milliliters
C.
23 milliliters
D.
17 milliliters
Hint
18.
At a bulk store, lollipops cost $1.95 per pound and jawbreakers cost $1.25 per pound. How many pounds of lollipops should be added to 4 pounds of jawbreakers to make a mixture that costs $1.45 per pound?
A.
1.8 pounds
B.
1.6 pounds
C.
2 pounds
D.
1.5 pounds
Hint