four friend want to share the bill and tip $64.00 and 15% tip

Question

four friend went out for dinner. the bill, including tax, totaled $64.00. if they want to leave  a 15% tip and want to share the bill and tip equally , what should each person pay?

Answer 1

Bill = $64
Tip = 15% x $64 = $9.60
Total cost = $64 + $9.60 = $73.60

Amount each of the four friends should pay
= $73.60 / 4
= $18.40

Answer 2

$18.40 i think x