this post was submitted on 06 Jun 2024
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For a bill of 15.73, move the decimal over once to the left. You get 1.57. (drop the 3). That's ten percent. Let's say it's 1.50.
Half of that is 75ยข. Half of ten percent is five percent so now you have ten percent and five percent. Add them together to get 15%: 1.50 + 0.75 = $2.25 = 15% tip.
20% is even easier. If ten percent is 1.50, twenty percent is double that: $3.00
Also if u know what sales tax is in ur state u can double it. It's 8% I believe in Cali, so I double to 16% and then feels math it up or down
I literally can't read that.