Archie had 5 times as many books as Cody. After Archie and Cody donated 63 books and 3 books away respectively, they were left with an equal number of books. How many books did Archie have at first?
| |
Archie |
Cody |
| Before |
5 u |
1 u |
| Change |
- 63 |
- 3 |
| After |
5 u - 63 |
1 u - 3 |
Archie and Cody had the same number of books left.
5 u - 63 = 1 u - 3
5 u - 1 u = 63 - 3
4 u = 60
1 u = 60 ÷ 4 = 15
Number of books that Archie had at first
= 5 u
= 5 x 15
= 75
Answer(s): 75
