Henry had
25 as many buttons as Ivory. After Henry gave away 37 buttons, he had 97 less buttons than Ivory. How many buttons did Ivory have?
| |
Henry |
Ivory |
| Before |
2 u |
5 u |
| Change |
- 37 |
|
| After |
2 u - 37 |
5 u |
Ivory had 97 more buttons than Henry in the end. So, if Henry had another 97 buttons, he would have the same number of buttons as Ivory.
5 u = 2 u - 37 + 97
5 u - 2 u = 97 - 37
3 u = 60
1 u = 60 ÷ 3 = 20
Number of buttons that Ivory had at first
= 5 u
= 5 x 20
= 100
Answer: 100
