Level 1Formulas & ReferencesProject, 5 min

Split the dinner bill

The task

Four friends, one check. Build a calculator that splits it fairly, then change any input and watch every number follow.
  1. Work out the taxIn B6, multiply the subtotal by the tax rate.
  2. Work out the tipIn B7, calculate the tip. Tip on the subtotal, before tax.
  3. Add it all upIn B8, total the subtotal, tax and tip.
  4. Split itIn B9, divide the total by the number of people and round to cents with ROUND.

The data

The starting sheet. Cells outlined in green are where your formulas go.

AB
1Dinner
2Subtotal$186.40
3Tax rate8.5%
4Tip rate20%
5People4
6Tax
7Tip
8Total
9Each pays