3x-6=9
Solve for x
x=5
Write a ratio in simplest form comparing the number of months that begin with the letter J to the total number of months in a year.
1/4 or 1:4
This is 3/5 as a decimal.
0.6
There are 3 red, 4 blue, and 3 white marbles in a bag. You select one marble. What is the probability that you will select a red marble?
3/10 or 30% or 0.3
A square has an area of 121 square feet. What is the square's side length?
11 feet
16-x=14
x=?
x=2
A person jumps rope 21 times in 7 seconds. How many times can the person jump per second?
3 jumps per second
This is 4/11 as a decimal.
0.3636363636...
A dental hygienist randomly chooses a toothbrush in a drawer containing 17 white, 12 green, and 5 blue toothbrushes. This is the probability that she chooses a blue toothbrush.
5/34 or 0.15 or 15%
A rectangle has a length of 14 inches and a width of 23 inches. What is the perimeter?
74 inches
Four less than twice a number is 22.
Write and solve the equation.
2x - 4 = 22
x = 13
While making a cake, Eugene needs 1/2 cup of milk for every 2 tablespoons of chocolate chips used. If Eugene uses 2 cups of milk, how many chocolate chips does he need?
8 tablespoons of chocolate chips
84% of US households has access to the Internet. If there are 600 families are in the town of Mathville, how many families would have access to the internet?
504 families
The grades for a student are 95, 80, 68, 72, and 85. What is the median grade?
80
A circle has a diameter of 8 cm. What is the area?
50.24 square cm
An equilateral triangle has one side length of (2y - 7). Write TWO expressions that represent the perimeter of the triangle.
3(2y - 7)
6y - 21
Write the constant of proportionality (unit rate) for this graph? Use pieces of paper per box for your label.
12.5 pieces of paper per box
At Lang Middle School, 46% of the students participate in sports. If there are 400 students at Lang Middle School, how many students participate in sports?
184 students
The height of puppies in inches are listed below:
5, 6, 8, 5, 4, 4, 7, 2, 4, 7, 5
What is the mode of the data? (HINT: there are two)
4 and 5
A cereal company wants to know which box it should use to be able to sell the most cereal possible. One box is 3in x 5in x 6.2in, while the other cereal box is 2.5in x 4in x 8.5in . What is the difference in volumes?
8 inches cubed
-3(y - 5) + 5y - 8 = -21
y = ?
y=-14
Mandy is enlarging a photograph that is 3 inches wide and 4.5 inches in length. If she wants the width of the enlargement to be 9 inches, what will be the length?
13.5 inches
A pair of sneakers costs $22.50 and are on sale for 15% off. What is the new price of the sneakers?
$19.12
Find the mean, median, and mode of the numbers below. Which is the greatest number?
5, 4, 10, 13, 10, 21, 8
Mean: 10.14
Median: 10
Mode: 10
A rectangular prism has a volume of 360 cubic cm, a height of 6 cm, and a width of 10 cm. What is the length?
6 cm