무엇이 20%의 $60
20% is 20/100 mutiplied by $60:
$12 is what percent of $60
$12 is divided by $60 and multiplied by 100%:
$12 is 20%의 what
$12 is divided by 20%:
무엇이 the percentage change from $40 to $50
The difference between $50 and $40 is divided by $40 and multiplied by 100%:
