Zane had
58 as many buttons as Abi. After Zane bought another 6 buttons, he had 18 less buttons than Abi. How many buttons did Zane have at first?
| |
Zane |
Abi |
| Before |
5 u |
8 u |
| Change |
+ 6 |
|
| After |
5 u + 6 |
8 u |
Abi had 18 more buttons than Zane in the end. So, if Zane had another 18 buttons, he would have the same number of buttons as Abi.
8 u = 5 u + 6 + 18
8 u - 5 u = 6 + 18
3 u = 24
1 u = 24 ÷ 3 = 8
Number of buttons that Zane had at first
= 5 u
= 5 x 8
= 40
Answer: 40
