Mr. Dietz is a teacher whose salary is $22,570 for this school year, which has 185 days. In Mr. Dietz's school district, substitute teachers are paid $80 per day. If Mr. Dietz's takes a day off without pay and a substitute teacher is paid to teach Mr. Dietz's classes, how much less does the school district pay in salary by paying a substitute teacher instead of paying Mr. Dietz's for that day?
(F) $ 42
(G) $ 80
(H) $ 97
(J) $105
(K) $122
For all real numbers a, b, and c such that a < b and c > 0, which of the following inequalities, if any, must be true?
（A）a < c （B） b < c （C） a > c （D） b > c （E） None of the above inequalities must be true.
Correct Answer: E
Points P and Q lie on circle O with radius of 9 feet. The measure of 
POQ is 120°. What is the length, in feet, of minor arc 
?
（A）3π （B） 6π （C） 9π （D） 18π （E） 27π
Correct Answer: B
The table below shows the percents of U.S. citizens who had ever consumed a certain brand-name soda, out of all soda consumers, for each year from 1986 through 2006.
Which of the following years had the LEAST increase in the percent of U.S. citizens who had consumed the brand-name soda from the previous year?
(F) 1990 (G) 1998 (H) 2001 (J) 2004 (K) 2006
Correct Answer: G
More ACT Math Exam Questions
- 1
If f(x) =
and the composite function f(g(x)) = 
, which of the following could be g(x)? - 2
A function is defined for x and y such that f(x, y) = -2xy + y + x - 4. So, for x = 2 and y = 3, f(2, 3) = -2 × 2 × 3 + 3 + 2 - 4 = -12 + 1 = -11. If x and y are to be chosen such that f(x,y) = f(y,x), then which of the following restrictions must be placed on x and y?
- 3Which of the following expressions is equivalent to the inequality 6x – 8 > 8x + 14?
- 4Which of the following is the greatest common factor of 60 and 64?
- 5
The 8-sided figure below is divided into 12 congruent isosceles right triangles. The total area of the 12 triangles is 96 square centimeters. What is the perimeter, in centimeters, of the figure?
