Try our Free Online Math Solver!
Math Exam 1 Review
|"Percent of" Word Problems
| A computer software retailer used a markup
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
|Word Problem: Coin
A collection of 33 coins, consisting of nickels,
|Word Problem: Distance
A 555-mile, 5-hour plane trip was flown at two
|Word Problem: Mixture|
| John has 20 ounces of a 20% of salt solution,
much salt should he add to make it a 25%
|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
|Slope- Intercept Form|
Find the equation of the line that passes
the points (–2, 4) and (1, 2).
| Find the equation of the straight line that
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|