Your bill at a restaurant is $65. you want to tip your waiter 18%. how much tip do you leave? [(questions 1 & 2) top and bottom questions]

$65 times the percentage in its decimal form
$65• .18 = $11.7
This means less than 13
The other one with the skateboard is the same
$50 times the percentage in its decimal form
$50• .40 = $20