Liam had
59 as many buttons as Marion. After Liam bought another 35 buttons, he had 13 less buttons than Marion. How many buttons did Liam have at first?
| |
Liam |
Marion |
| Before |
5 u |
9 u |
| Change |
+ 35 |
|
| After |
5 u + 35 |
9 u |
Marion had 13 more buttons than Liam in the end. So, if Liam had another 13 buttons, he would have the same number of buttons as Marion.
9 u = 5 u + 35 + 13
9 u - 5 u = 35 + 13
4 u = 48
1 u = 48 ÷ 4 = 12
Number of buttons that Liam had at first
= 5 u
= 5 x 12
= 60
Answer: 60
