How do I do this math question? And what is the answer?

Answer:
$413.20
Step-by-step explanation:
40% of 772 is 308.8, so we take 772 and subtract 308.8. that equals 413.2, therefore the answer should be $413.20. comment part b and I’ll give you that answer too
Answer:
277.92
Step-by-step explanation:
463.2(0.4)=185.28
463.2-185.28=277.92