The answer to your question would be 16
The answer would be h+(h+2.5)=22
The h represents Williams hours and the h+22 represents jose's hours. Together, they add to 22 hours :)
Hope this helps!
The mean to your problem is 87.5
The answer would be 100 because 100x30 equals to 3,000
I hope this is the answer you were looking for