Michael had 5 times as many books as Vaidev. After Michael and Vaidev donated 59 books and 19 books away respectively, they were left with an equal number of books. How many books did Michael have at first?
| |
Michael |
Vaidev |
| Before |
5 u |
1 u |
| Change |
- 59 |
- 19 |
| After |
5 u - 59 |
1 u - 19 |
Michael and Vaidev had the same number of books left.
5 u - 59 = 1 u - 19
5 u - 1 u = 59 - 19
4 u = 40
1 u = 40 ÷ 4 = 10
Number of books that Michael had at first
= 5 u
= 5 x 10
= 50
Answer(s): 50
