8x = 44 -4
8x = 40
x = 40/8
x = 5
option 2. it increases
because as x decrease 5/x will increase which will overall increase the expression value
Answer:

Remove backets

Group and Evaluate like terms





H=number of hours
m=total salary
m=15.50h+50
put 400 in for m
400=15.50h+50
now solve for h
400=15.50h+50
-50. -50
350=15.50h
Divide 350 by 15.50to get your final answer
you get a long decimal so I rounded it.
22.6 hours