Estimate a 15% tip on a dinner bill of $73.55 by first rounding the bill amount to the nearest ten dollars.

round 73.55 to 70.00 add 15%(10.50) = 80.50

Step-by-step explanation:

round 73.55 to 70.00 add 15%(10.50) = 80.50

0.85 or 85%

step-by-step explanation:

1) divide 23 by 27

2) round the decimal to the nearest 10

3) so your answer would be 0.85 or 85%

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4