/***********************************************************
workrate-2people.ch
Work Problems (2 Workers)
Calculates the time that it takes for two workers
that work at different rates to complete the job
************************************************************
Copyright 2014 SoftIntegration Inc.
http://www.softintegration.com
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
***********************************************************/
// initialize variables
double t1, t2;
double work_per_hour, hours_to_complete;
// prompt users to enter work rates for each worker
printf("How much time does it take the first person to do the job? ");
scanf("%lf", &t1);
printf("How much time does it take the second person to do the job? ");
scanf("%lf", &t2);
// calculate the work done per hour
work_per_hour = 1.0/t1 + 1.0/t2;
// calculate hours to complete the job
hours_to_complete = 1.0 / work_per_hour;
// print the answer
printf("Together, they finished in %lf hours\n", hours_to_complete);