David and Paul share a bunch of kiwis in the ratio 8 : 5. If David gives Paul 18 kiwis from his share, they will have the same number of kiwis. How many kiwis does David have at first?
|
David |
Paul |
Before |
8 u |
5 u |
Change |
- 18 |
+ 18 |
After |
8 u - 18 |
5 u + 18 |
If David gives Paul 18 kiwis from his share, they will have the same number of kiwis.
8 u - 18 = 5 u + 18
8 u - 5 u = 18 + 18
3 u = 36
1 u = 36 ÷ 3 = 12
Number of kiwis that David has
= 8 u
= 8 x 12
= 96
Answer(s): 96