What is the unit price for 25 bottles that cost $3.65?
3.65/25 = 0.146 --> $0.15
Simplify the following expression: 2(x + 7)
2x + 14
Write an inequality that represents the following: No more than 40 kids can fit on a bus.
x ≤ 40
What is the ratio of a tall glass of orange juice to all juices? What is that fraction in simplest form?
6/12 = 1/2
What is the original price of an item that was marked up 20% and is now being sold for $52.50?
$43.75
Simplify: 5 + 3(7x - 2)
21x - 1
Find the area of a rectangle that has dimensions of 14 inches by 3 inches.
42 square inches (or inches2)
Simplify the following expression: -4x - 7x + 9
-11x + 9
What is the area of a triangle with a base of 7 units and a height of 8 units?
28 units2
Solve 8y + 2 = 50
y=6
What is the constant of proportionality of this table?
k = 15
Find the area of a circle with a diameter of 14 cm. Use 3.14 for pi.
153.86 cm2
What is the decimal equivalent of
7/12
0.58333...
Dwight bought shoes on sale for 25% discount. If the shoes were originally $200, how much did Dwight pay for the shoes after his discount?
$150
Factor 14x - 16
2(7x - 8)
If x=3, what is the value of 7x-23?
-2
Write an equation that represents this situation: Tom works 40 hours and earns $800. (*Hint: find unit rate first)
y = 20x
Find the area of the rectangle.
330 cm2
You roll a number cube. What is the probability you roll a 4?
1/6
Simplify 3x - 6 + (-2x) - 4
x - 10
What are 2 features of a proportional relationship's graph?
1) straight line
2) through the origin (0, 0)
Two angles of a triangle are 45 degrees and 30 degrees. What is the measure of the third angle?
105 degrees
Given the equation y = 3x, what is the constant of proportionality?
3
If you have a bag with 20 markers (3 blue, 5 red, 7 green, 2 pink, 3 black), what is the probability of NOT choosing a red marker in simplest form?
15/20 = 3/4
Pam went to eat at Applebee's and wanted to leave the waitress a 20% tip. Her bill was $73.56. How much does she leave for a tip?
$14.71
On a map of Michigan, 2 cities are 5 cm apart. The scale is 2 cm = 50 miles. How many miles apart are the 2 cities in real life?
125 miles
Simplify | -4 + 9|
5
Solve 2(3x - 1) + 5 = -9
x = -2
What is a rational number?
A number that can be written as a fraction of integers. If left as a decimal, it is either a terminating or repeating decimal.
Simplify 4(y+9) - 10y
-6y + 36