Explain how you could use mental math to find a 15% tip for a $26 restaurant bill.

Question

asked Oct 21, 2017 36.1k views

1 Answer

Ettozyame · Answer 1 · 2017-10-25T22:54:59+0000

10% of 26 is 2.60. Now, half of that is 1.30. Add both of them and you get 3.90. Same logic can work for a 20% tip, just double to 10%.