CPM Homework Help : MC2 Problem 11-34

Two mechanics can assemble $10$ bicycles in $8$ hours. At the same rate, how many mechanics would be needed to assemble $25$ bicycles in $10$ hours?

Help:

What is the work rate of one mechanic?

Hint:

Write an equation.
$\text{(rate of a mechanic)(total mechanics)}= \frac{25\text{ bicycles}}{10\text{ hours}}$

Step:

$\frac{5\text{ bicycles}}{8\text{ hours}} (x) = \frac{25\text{ bicycles}}{10\text{ hours}}$

Answer:

$4$ mechanics