Question

Arthur is treating his friends to a meal at Chez Rich. The meals added up to $152.30. If he tips the waiter 15%, what is the amount of the tip.

$22.85

$15.24

$20.80

$13.37

Answer 1

@welshfella @mathstudent55

Answer 2

Here is a simple trick I use to get percentage, if you need 10 percent, move the decimal point to the left once, if you need 1 percent move it twice, with some simple math you could find that the tip equals 22.85.

Answer 3

Hope this helped :D