There were 60 grapefruits altogether in Basket A and Basket B. After I had transferred 5 grapefruits from Basket A to Basket B, the number of grapefruits in Basket A became twice the number of grapefruits in Basket B. How many grapefruits were there in Basket A at first?
|
A |
B |
Total |
Before |
2 u + 5 |
1 u - 5 |
60 |
Change |
- 5 |
+ 5 |
|
After |
2 u |
1 u |
60 |
Total number of grapefruits
= 2 u + 1 u
= 3 u
3 u = 60
1 u = 60 ÷ 3 = 20
Number of grapefruits in Basket A in the end
= 2 u
= 2 x 20
= 40
Number of grapefruits in Basket A at first
= 40 + 5
= 45
Answer(s): 45