Solve the problem.If a parking ramp attendant can wait on 4 vehicles per minute, and vehicles are leaving the ramp at x vehicles per minute, then the average wait in minutes for a car trying to exit is given by  Solve the inequality  to determine the exit rates x that would result in average wait times between 4 and 8 minutes.

A. 0.6 ? x ? 1.3
B. x ? 3.9 or x ? 3.8
C. 3.8 ? x ? 3.9
D. 3.7 ? x ? 4.0


Answer: C

Mathematics

You might also like to view...

Solve.x + y + z = 6x - z = -2  y + 3z = 11

A. (0, 1, 2) B. (1, 2, 3) C. no solution D. (-1, 2, -3)

Mathematics

Insert grouping symbols so that the expression has the desired value.3 + 2 ? 8 - 2 results in 15

Fill in the blank(s) with the appropriate word(s).

Mathematics

Solve the problem.If a radio costs $98, find the total cost of 93 radios.

A. $199 B. $9114 C. $191 D. $9122

Mathematics

Write the given statement as an equation.The perimeter P of an equilateral triangle varies directly as the side s.

A. P = 
B. P = 3s
C. P = ks
D. P = 3s2

Mathematics