Question

Which equation represents this situation? Charlie worked 1.5 hours less than Dirk. Together, they worked a total of 25 hours. Dirk worked h hours.

Answer 1

Let h = the number of hrs that Dirk worked (as per instructions received in the problem. Then in accordance with the information provided by the problem, "Charlie worked 1.5 hours less than Dirk
h-1.5 would equal the number of hours Charlie worked.

Now sum both of their hours and let that equal 25. Now solve for h and get the hours that Dirk worked. Subtract 1.5 from that, and find Charlie work hours.