Fractions, Decimals, and Percents
Solve. Do not use a calculator:
9/10 - 1/3
17/30
The highest mph in the US is 80 mph. The lowest is 5 mph. What is the range of speeds?
75 mph
Tom is staining his deck. It's 12.5 yards long and 8 yards wide. How many square yards of deck does he need to stain?
100 square yards
Solve.
5 (x - 2) + 3x = 34
5.5
What is the next number?
3, 6, 9, 12, ___
15
Jamie has a bag with 40 coins. If she gives 30% of the coins to Nick, how many coins does she have left?
28 coins
Six numbers have a mean of 10. What is their total sum?
60
A square has a perimeter of 62.8 meters. What is the length of one side?
15.7 meters
Find the slope of a line that passes through (-2, 3) and (4, -9)?
-2
Solve.
72 - 5
44
A new car was priced at $28,999 and went on sale for 15% off. Matt wanted to purchase the car and asked for another 10% off the sale price. What would be the price of the car?
$22,184.24
What is the median?
-14.2, 4.12, -2.41, -24.1, 14.2, 24.1
0.855
A right triangle has legs of 12 inches and 9 inches. What is the length of the third side?
15 inches
What is the equation of the line that passes through the points (−1, 2) and (3, −6)?
(Write your answer in slope-intercept form)
y = -2x
What number is halfway between 15 and 35?
25
A recipe calls for 2/3 cup of sugar, 1/4 tsp of vanilla, 3 1/2 cups of flour, and 2 T of milk. If the recipe is tripled, how much milk and sugar would be needed?
6 T of milk and 2 cups of sugar
The average (mean) of three numbers is 24. Two of the numbers are 20 and 30. What is the third number?
22
Two lines intersect forming vertical angles. One angle measures 3x + 10 degrees, and its vertical angle measures 5x − 30 degrees. What is the measure of each of those angles?
55°
Use the FOIL method to expand:
(3x - 5) (x + 4)
3x2 + 7x - 20
How many sides does a hexagon have?
6
To keep an A in the class, Kim must get 32 questions correct, which is 80%, on her next test. How many questions are on the test?
40 questions
What number can be removed and the median stays the same?
10, 12, 15, 18, 20
15
A cylindrical storage tank has a radius of 2.5 meters and a height of 12 meters. The tank is filled to 60% of its capacity. What is the volume of the liquid in the tank? (use 3.14, round to the nearest tenth)
141.3 cubic meters
Solve using the quadratic formula:
x² + 2x − 15 = 0
x = -5, 3
I am a number. I am a multiple of 4 and 6. I am less than 50. My digits add up to 6. What number am I?
24