Mathematics

- Q. This year, a salesman sells a total of $60,000 worth of steak knives by going door-to-door. This represents a 20% increase from the year before. What was the value of his sales last year?
- Q. Solve the equation for x. x/3 = (2x + 3)/7
- Q. Solve the equation for y. 3(2y + 4) = 8y
- Q. Solve the equation for x. |x + 5| = 3
- Q. If 3x + 8x + 4x = 6x + 63, then what is 5x + 23?
- Q. What is the reciprocal of -1/3?
- Q. If the positive square root of x is between 3 and 11, then what inequality represents all possible values of x?
- Q. Carol is three times older than Andrew. Brad is two years older than Andrew. In six years, the sum of Andrew’s and Brad’s ages will be the same as Carol’s age. True or False: Carol is 24 years old.
- Q. A cab ride costs $3.25 for the first half-mile and $0.70 for each mile after the first half-mile. How far can someone travel for $12?
- Q. Solve the equation for x. 13 – 2(2x + 1) = 1