Harry had 5 times as many books as Henry. After Harry and Henry donated 124 books and 12 books away respectively, they were left with an equal number of books. How many books did Harry have at first?
| |
Harry |
Henry |
| Before |
5 u |
1 u |
| Change |
- 124 |
- 12 |
| After |
5 u - 124 |
1 u - 12 |
Harry and Henry had the same number of books left.
5 u - 124 = 1 u - 12
5 u - 1 u = 124 - 12
4 u = 112
1 u = 112 ÷ 4 = 28
Number of books that Harry had at first
= 5 u
= 5 x 28
= 140
Answer(s): 140
