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Math Exam 1 Review
"Percent of" Word Problems


A computer software retailer used a markup
rate of 40%. Find the selling price of a computer game that cost the retailer $25. The markup is 40% of the $25 cost, so the markup is: (0.40)(25) = 10 Then the selling price, being the cost plus markup, is: 25 + 10 = 35 The item sold for $35. 

Word Problem: Age
In three more years, Miguel's grandfather will be 

A square has an area of sixteen square centimeters. What is the length of each of its sides? 

Word Problem: Coin
A collection of 33 coins, consisting of nickels, 

Word Problem: Distance
A 555mile, 5hour plane trip was flown at two 

Word Problem: Mixture
John has 20 ounces of a 20% of salt solution , How 

John has 20 ounces of a 20% of salt solution,
How much salt should he add to make it a 25% solution? 

Word Problem: Money
A wallet contains the same number of pennies , 

Word Problem: Average Speed
John drove for 3 hours at a rate of 50 miles per 

Solving Linear Equations
Solve 7x + 2 = –54 

Graph  
Slope Intercept Form
Find the equation of the straight line that has 

Find the equation of the line that passes
through the points (–2, 4) and (1, 2). 

Find the equation of the straight line that
has slope m = 4 and passes through the point (–1, –6). 

Solving Linear Inequalities  
Solve x + 3 < 0, give interval notation, and graph  
Solve 10 ≤ 3x + 4 ≤ 19 
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