Equations
There are 3 pigs for every 5 cows. How many pigs are there if there are 100 cows?
60
solve -5 cubed
-125
Find the mean: 84, 80, 82
82
Find 25% of 200.
50
Solve for x: x - 15 = -15
0
5 feet represents 50 miles... How many miles will 25 feet represent?
250
Solve: 3 raised to the fourth power
81
Find the median: 90, 97, 85, 72
87.5
Find 50% of 250.
125
Solve for x: x - 23 = -65
-42
A 25 foot flagpole has a 10 foot shadow. Find the height of a person with a 5 foot shadow.
12.5
Solve: -5 + -20 + 15 =
-10
Identify the outlier: 2, 10, 4, 6, 50, 2, 12, 20, 14
50
Find the sale price on a winter coat regularly priced at $250 and on sale with a 20% discount.
$200
Solve for x: -3x - 26 = 160
-62
A model of a 220 foot tall building is 25 inches tall and 10 inches wide. How wide is the actual building?
88 feet
Solve: -100 + 40 + 15 + -30 =
-75
Find the upper quartile: 3, 9, 2, 5, 1, 7, 16
9
Find the percent of decrease: original price: $25 sale price: $15
40% decrease
Solve for x: 5x - 14 = 3x + 20
17
A model car is made to a scale of 2 to 25. If the model is 15 in long, how long, in inches, is the actual car?
187.5 in
Solve: -120 + 50 + -40 + 10 =
-100
Find the mode: 9, 7, 3, 5, 7, 2, 2, 1, 7
7
Find the percent of increase: original price: $ 50 new price: $30
40% increase