Question

Estimate a 15% tip on a dinner bill of $81.66 by first rounding the bill amount to the nearest ten dollars.​

Answer 1

81.66/100*115 = 93.909 rounding down to $90

Explanation:

Answer 2

12 dollars

Explanation:

Round the bill to the nearest ten dollars

81.66 rounds to 80 dollars

80 * 15%

80 *.15

12

The tip is 12 dollars