Question 188347
It takes Terry 2 hours longer to do a certain job than it takes Tom. They worked together for 3 hours; then Tom left and Terry finished the job in 1 hour. How long would it take each of them to do the job alone.
:
let x = time required by Tom
then
(x+2) = time required by Terry
:
Let the completed job = 1
:
Solve this equation (Terry worked a total of 4 hrs):
{{{3/x}}} + {{{4/((x+2))}}} = 1