Solve the variation problem.
-The number of gears a machine can make varies directly as the time it operates. If it can make 4196 gears in 19 hr, how many gears can it make in 3 hr?
A) 4218 gears
B) 220.84 gears
C) 0.0136 gears
D) 662.53 gears

Question

Quizplus · Accepted Answer

The number of gears varies directly with time, so we use the formula: gears = k * time. First, find k using 4196 gears in 19 hours: k = 4196 / 19 = 220.84. Then, calculate gears for 3 hours: gears = 220.84 * 3 = 662.52, which rounds to 662.53.

Solve the Variation Problem