Answer:
Each person will pay $9.78
Explanation:
Given that:
Amount of bill = $34
Tip = 15%
Amount of tip =

Amount of tip = 0.15 * 34
Amount of tip = $5.10
Amount after bill = 34 + 5.10 = $39.10
Number of people = William + three friends = 4
Per person share =

Per person share = $9.775
Rounded to two decimal places
Per person share = $9.78
Hence,
Each person will pay $9.78