A flight instructor charges $75 per lesson, plus an additional fee for the use of his plane. The charge for the use of his plane varies directly with the cube root of the time the plane is used. If a lesson plus 27 minutes of plane usage costs $120, what is the total amount charged for a lesson involving 64 minutes of plane usage?
(A)$195
(B) $180
(C) $157
(D) $135
(E) $60
A DVD player with a list price of $100 is marked down 30%. If John gets an employee discount of 20% off the sale price, how much does John pay for the DVD player ?
(A)$86.00 (B)$77.60 (C)$56.00 (D)$50.00 (E)$44.00
Correct Answer: C
Josh pounded a stake into the ground. When he attached a leash to both the stake and his dog's collar, the dog could walk 12 feet from the stake in any direction. Using 3.14 for π, what is the approximate area of the lawn, in square feet, that the dog could roam while tied to the stake?
（A）38 （B） 75 （C） 151 （D） 377 （E） 452
Correct Answer: E
Paulette, Quentin, and Rosie each donated money to a charity. Paulette gave as much money as Quentin and Rosie gave together. If Quentin had given three times more than he gave, he would have given $40 more than Paulette. And if Rosie had given $20 less, she would have given half as much as Paulette. How much did Paulette give?
(A) $80(B) $120(C) $160(D) $200(E) $240
Correct Answer: D
More ACT Math Exam Questions
- 1In a certain town in New Hampshire, there are 7,695 registered voters, 60% of whom are Democrats. How many of the town's registered voters are Democrats?
- 2If x2 - 36a2 = 5ax, what are the two solutions for x in terms of a?
- 3In the standard (x,y) coordinate plane, point B with coordinates of (5,6) is the midpoint of line
and point A has coordinates at (9,4). What are the coordinates of C? - 4
What is the sum of the two values of x that satisfy the equation 4x2 – 3x – 1 = 0?
- 5
A trapezoid has parallel bases that measure 3 inches and 9 inches and a height that measures 6 inches. What is the area, in square inches, of the trapezoid?