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submitted 5 months ago by CraigOhMyEggo@lemmy.ml to c/asklemmy@lemmy.ml
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[-] Thcdenton@lemmy.world 6 points 5 months ago
[-] Reddfugee42@lemmy.world 8 points 5 months ago

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 75¢. 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

[-] PresidentCamacho@lemm.ee 4 points 5 months ago

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

[-] Thcdenton@lemmy.world 2 points 5 months ago

I literally can't read that.

[-] toototabon@lemmy.ml 5 points 5 months ago

Alternatively, pressing 0 can be quite easy.

[-] cRazi_man@lemm.ee 4 points 5 months ago

I can calculate 0% of anything in my head quite quickly. Try me.

[-] alldreadme@lemm.ee 3 points 5 months ago
this post was submitted on 06 Jun 2024
106 points (98.2% liked)

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