Tip, total, and per-person share from a bill, percent, and headcount.
| Tip | – |
| Total | – |
| Each | – |
Use this at the table. Tip = bill × (tip % ÷ 100). Total = bill + tip. Each = total ÷ people. 80 at 10% with 4 people is 8 tip, 88 total, 22 each. Tax-inclusive bills still use the number on the slip unless you tip on net. Service already included is a social question, not a formula. People must be greater than zero.
Bill: Amount on the bill.
Tip %: Tip as a percent of that amount.
People: How many share the total.
Tip / Total / Each: The three money lines.
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