1.
Solve the proportion
=
A.
4.5
B.
C.
D.
-18
Hint
2.
When a rate is simplified so it has denominator of 1, it is called a(n) ______.
A.
equivalent analysis
B.
unit rate
C.
proportional ratio
D.
dimensional rate
Hint
3.
If a toy car measures 1 inch for every one-half foot of an actual car, what is the scale in inches?
A.
1:6
B.
1:12
C.
1:10
D.
1:1
Hint
4.
15% of what number is 10.2?
A.
0.68
B.
1.53
C.
147
D.
68
Hint
5.
Soundous needs a 50% saline solution. She has 60 milliliters of a 40% solution. How many milliliters of a 70% solution should she add to obtain the required 50% solution?
A.
30 milliliters
B.
270 milliliters
C.
180 milliliters
D.
90 milliliters
Hint
6.
The Morrow's have dinner as Shu's Kitchen. The cost of the dinner is $25. What is the final bill if the sales tax is 4%?
A.
$26
B.
$35
C.
$24
D.
$26.50
Hint
7.
The probability of an event can best be described as ______.
A.
B.
C.
D.
Hint
8.
One dice is rolled. Find the odds that a number less than 3 is rolled.
A.
1:3
B.
0:1
C.
1:2
D.
1:4
Hint
9.
If the outcome of one event does not affect the outcome of the other event, then the events are called ______.
A.
dependent events
B.
independent events
C.
mutual events
D.
complex events
Hint
10.
Leon wants to build herself a bookshelf. She draws a scale drawing of the bookshelf, shown below. What will the height of the actual bookshelf be if the scale of the drawing is 1 cm = 2 ft?
A.
2.1 ft
B.
8.4 ft
C.
3.2 ft
D.
9.8 ft
Hint
11.
Express
as a percent.
A.
20.75%
B.
66%
C.
31.25%
D.
45%
Hint
12.
Joseph and Pedro are selling chocolate bars at the concession stand at a school football game. There are two types of chocolate bars, with nuts and without. They sell 36 of the ones with nuts and 54 of the ones without and make a total of $44.10. If the chocolate bars with nuts cost ten cents more than the ones without, how much did the chocolate bars with nuts cost?
A.
$0.59
B.
$0.55
C.
$0.45
D.
$0.49
Hint
13.
Alana wants to buy the new CD by the Raspberries. The CD costs $15.99, but since she was one of the first 50 customers that day, she gets a 20% discount. How much will the CD cost?
A.
$31.98
B.
$19.19
C.
$3.20
D.
$12.79
Hint
14.
Events that consist of two or more simple events that are connected by the words
and
or
or
are _______.
A.
compound
B.
inclusive
C.
mutually exclusive
D.
simple
Hint