Answer:
He should expect to spend as much as 429.45 (to be exact)
Explanation:
It's really just simple math $20.45 multiplied by 21 is 429.45 (:
I'm sorry if I'm wrong. Have a great day and good luck!
If each book cost $20.45 then you times it by 21 and the answer you would get is 429.45
im 99% that its correct
4.4m questions
5.6m answers