Yesterday, Dylan had 10 more buttons than Oliver. Today, Dylan gave Oliver
47 of his buttons. As a result, he has half as many buttons as Oliver now. How many buttons did Dylan have yesterday?
|
Dylan |
Oliver |
More |
Before |
7 u |
2 u |
5 u |
Change |
- 4 u |
+ 4 u |
|
After |
3 u |
6 u |
|
Comparing Dylan and Oliver in the end |
1
|
2
|
|
Number of buttons that Oliver has now
= 2 x 3 u
= 6 u
Number of buttons that Dylan had more than Oliver yesterday
= 7 u - 2 u
= 5 u
5 u = 10
1 u = 10 ÷ 5 = 2
Number of buttons that Dylan had yesterday
= 7 u
= 7 x 2
= 14
Answer(s): 14