SOLUTION: estimate a 15% tip on a dinner bill of 41.67 by first rounding the bill amount to the nearest ten dollars.

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Question 1149562: estimate a 15% tip on a dinner bill of 41.67 by first rounding the bill amount to the nearest ten dollars.
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


(1) Round the bill to $40.

(2) 10% or $40 is $4; 5% is half of that, or $2.

(3) So the approximate 15% tip is $4 + $2 = $6.