Flynn had 4 times as many books as Dylan. After Flynn and Dylan donated 118 books and 10 books away respectively, they were left with an equal number of books. How many books did Flynn have at first?
| |
Flynn |
Dylan |
| Before |
4 u |
1 u |
| Change |
- 118 |
- 10 |
| After |
4 u - 118 |
1 u - 10 |
Flynn and Dylan had the same number of books left.
4 u - 118 = 1 u - 10
4 u - 1 u = 118 - 10
3 u = 108
1 u = 108 ÷ 3 = 36
Number of books that Flynn had at first
= 4 u
= 4 x 36
= 144
Answer(s): 144
