Working at their respective constant rates, machine A makes 100 copies in 12 minutes and machine B ...

Working at their respective constant rates, machine A makes 100 copies in 12 minutes and machine B makes 150 copies in 15 minutes. If these machines work simultaneously at their respective rates for 30 minutes, what is the total number of copies that they will produce?

Quiz

Answer/Solution

550

Steps/Work

Machine A can produce 100 *30/12= 250 copies
And, Machine B can produce 150* 30/15= 300 Copies
Total producing 550 Copies.
C is the answer

Physics Calculator / Auto Solver

Working at their respective constant rates, machine a makes copies in minutes and machine b makes copies in minutes. If these machines work simultaneously at their respective rates for minutes, what is the total number of copies that they will produce?

Calculated Answer

550

Step by Step Solution

In order to solve problem, you must evaluate n4 * (n0 / n1 + n2 / n3).

n0 =100
n1 =12
n2 =150
n3 =15
n4 =30