Rael and Paul share a bunch of starfruits in the ratio 7 : 3. If Rael gives Paul 30 starfruits from his share, they will have the same number of starfruits. How many starfruits does Rael have at first?
| |
Rael |
Paul |
| Before |
7 u |
3 u |
| Change |
- 30 |
+ 30 |
| After |
7 u - 30 |
3 u + 30 |
If Rael gives Paul 30 starfruits from his share, they will have the same number of starfruits.
7 u - 30 = 3 u + 30
7 u - 3 u = 30 + 30
4 u = 60
1 u = 60 ÷ 4 = 15
Number of starfruits that Rael has
= 7 u
= 7 x 15
= 105
Answer(s): 105
