After a 20% tip, you pay a waitress $72. What was the original bill?

If you want to find out how to calculate a tip, you need to decide how much you appreciate the service. There is an unwritten rule that a tip should be between 10% and 20% of the total value of the bill.

$ 86.4

Step-by-step explanation:

hope this helps

so sorry if this is wrong

i would need to see the dot plot : )

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2