SOLUTION: Barbara wants to leave a 15% tip on a bill of $82.50. Explain how she can figure this tip by estimation.

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Question 105208: Barbara wants to leave a 15% tip on a bill of $82.50. Explain how she can figure this tip by estimation.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
10% of 82.50=8.25
add 1/2 of 8 to 8.25=12.25
You are a little under 15% so add another .25 so she wont glare at you = $12.50
Ed