The number of apples is 5 times as many as the number of lemons. After buying another 23 apples and 67 lemons, the number of apples is the same as the number of lemons. What is the number of apples at first?
| |
Apples |
Lemons |
| Before |
5 u |
1 u |
| Change |
+ 23 |
+ 67 |
| After |
5 u + 23 |
1 u + 67 |
The number of apples and lemons is the same in the end.
5 u + 23 = 1 u + 67
5 u - 1 u = 67 - 23
4 u = 44
1 u = 44 ÷ 4 = 11
Number of apples at first
= 5 u
= 5 x 11
= 55
Answer(s): 55
