Step-by-step explanation:
Find the cost of one part and then multiply that number by 9
Answer: c
Step-by-step explanation: answer is C
Card A:
<span>$4,350 x 0.02 = $87
</span><span>$360 - $87 = $273
Card B:
Interest $270 no rebate
so $273 - $270 = $3
Card B cost least and $3 less than card A</span>
It will take three nights for him to finish the four books.
four divided by two-thirds equals two and two-thirds, but that is not enough to finish the four books, so he has to use an extra night.
hope this helps:)