ACT Math Practice
The ACT has 4 sub-sections: Pre-Algebra/Elementary Algebra, Intermediate Algebra/Coordinate Geometry, and Plane Geometry/Trigonometry
Try these ACT Sample Math problems:
1. Ten pints of a 15% salt solution are mixed with 15 pints of a 10% salt solution. What is the concentration of the resulting solution in terms of its salt concentration?
2. At $2.50 per square yard, how much does it cost to cover a rectangular floor that is 18 feet by 24 feet if there are three feet in a yard?
3. Walt can paint 25 feet of fence in an hour. Joe can paint 35 feet in an hour. How many minutes will it take them to paint a 150 foot fence if they work together
4. Stanley puts $100 in the bank for two years at 5% interest compounded annually. At the end of two years, what is his balance?
5. If the area of the base of a rectangular solid is tripled, what is the percent increase in volume?
6. If the diagonal of a square is 16 inches long, what is the area of the square?
7. The volume of a sphere equals the volume of a cylinder. I the radius of the sphere is 4 miles and the radius of the cylinder is 8 miles, what is the height of the cylinder?
8. A circular garden is 20 feet in diameter and is surrounded by a path 3 feet wide. What is the area of the path?
(A) 9π square feet
(B) 51π square feet
(C) 60π square feet
(D) 69π square feet
(E) 90π square feet
Answers:
1.12%
2.$120
3.150 min
4.$110.25
5.300%
6.128 in2
7. 1 and 1/3 miles
8. 69π square feet
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