A
plumber
charges
$20.26
to
visit
a
client's
home,
plus
an
additional
$36.34
per
hour.
What
is
the
duration,
in
hours,
of
a
plumber's
visit
that
costs
$92.94?
Let's set up an equation.
92.94=20.26+36.34h
Subtract both sides by 20.26.
92.94-20.26=20.26-20.26+36.34h
72.68=36.34h
Divide both sides by 36.34
72.68/36.34=36.34h/36.34
2=h
Now, we must remember that the 36.34h was for each additional hour, 20.26 was for the original hour.
So we add on 1 to 2 and we find out the plumber was at that household for 3 hours. I hope this helps, and have a great day! @-Happy7