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2007-10-28 06:55:59 · 21 answers · asked by deetra w 1 in Science & Mathematics Mathematics

21 answers

The old average was 15%, many restaurants state it is 18% now. the truth of the matter is, one can chose to leave an $8 tip for a cup of coffee that costs a dollar if they chose to do so, but I would likely say the meal was either $44.45 for 18 % or $53.34 for 15%. It could be anythying though, hope this helps!

2007-10-28 07:05:54 · answer #1 · answered by youngsocrates 2 · 0 0

You would have to know the % of the tip.


for example..your math question probably says a person left a 10% tip of $8 for his meal..how much was his meal....

Well then you know that 10 % of a certain number, say X is
$8 , right....

10% is written as .10

so

.10x=$8
x= 8/.10
x=80


Therefore the meal was $80.

Proof 10% of 80 is $8

2007-10-28 07:02:49 · answer #2 · answered by zanthus 5 · 0 0

If C= cost of meal, and if you leave a 15% tip, then

tip=.15C, so C=tip/.15

In this case, tip = 8, and if you are leaving something other than a 15% tip, replace .15 by whatever is appropriate.

2007-10-28 07:02:44 · answer #3 · answered by Michael M 7 · 0 0

if you are leaving a 20% tip then the meal was $40.

2007-10-28 06:59:39 · answer #4 · answered by Rainsong_28 2 · 0 0

$53 if your leaving a 15% tip
$40 if your leaving a 20% tip

2007-10-28 07:00:55 · answer #5 · answered by Tara 3 · 0 0

It depends on what percentage you're leaving. Typically I'd say it was between $40 and $50.

A good rule to go by is to double the tax and add a dollar or two (depending on the tax in your state. mine is %7, so doubling that would be almost %15) or for %20, two dollars for every ten you spend.

2007-10-28 06:58:20 · answer #6 · answered by Nikki 4 · 0 0

at 20% = $40

2007-10-28 06:59:31 · answer #7 · answered by ? 5 · 0 0

it would be $40 because $8 would be 8% of 40

2007-10-28 06:59:40 · answer #8 · answered by No One Is Perfect 3 · 0 1

Assuming a 15% tip?
8 = 0.15*cost
cost = 8/0.15 dollars You can do the calculation.

2007-10-28 06:59:24 · answer #9 · answered by DWRead 7 · 0 0

All depends if I'm a big tipper or cheap. You would need to know what percent of the bill the tip is.

2007-10-28 07:03:58 · answer #10 · answered by Diane M 7 · 0 0

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