The number of durians is 5 times as many as the number of apples. After buying another 11 durians and 95 apples, the number of durians is the same as the number of apples. What is the number of durians at first?
| |
Durians |
Apples |
| Before |
5 u |
1 u |
| Change |
+ 11 |
+ 95 |
| After |
5 u + 11 |
1 u + 95 |
The number of durians and apples is the same in the end.
5 u + 11 = 1 u + 95
5 u - 1 u = 95 - 11
4 u = 84
1 u = 84 ÷ 4 = 21
Number of durians at first
= 5 u
= 5 x 21
= 105
Answer(s): 105
