Answer:
$93.19
Explanation:
first we have to identify 72% as a decimal
72/100=0.72
then we have to multiply 0.72 by $54.18.
0.72 x $54.18 = $39.01
Your dad paid $39.01, but now we have to identify how much is the total.
$54.18 + $39.01 = $93.19
(Hope I could help!)