Solve.
-The number G of gears a machine can make varies directly as the time T it operates. If it can make 5258 gears in 11 hours, how many gears can it make in 15 hours?
A)478 gears
B)0.0314 gears
C)5284 gears
D)7170 gears

Question

Quizplus · Accepted Answer

The relationship between the number of gears and time is direct, so $G = kT$, where $k$ is the constant of proportionality. Given $G = 5258$ when $T = 11$, we find $k = 5258 / 11 = 478$. For $T = 15$, $G = 478 \times 15 = 7170$.

Solve. -The Number G of Gears a Machine Can Make Varies