There were 283 lemons and kiwis in a fruit stall.
37 of the lemons and
35 of kiwis were sold. Given that there were 130 lemons and kiwis left, how many lemons were there in the fruit stall at first?
|
Lemons |
Kiwis |
Before |
7 u |
5 p |
Change |
- 3 u |
- 3 p |
After |
4 u |
2 p |
7 u + 5 p = 283 --- (1)
4 u + 2 p = 130 --- (2)
Make p the same.
(1)
x 2 14 u + 10 p = 566 --- (3)
(2)
x 5 20 u + 10 p = 650 --- (4)
(4) - (3)
20 u - 14 u = 650 - 566
6 u = 84
1 u = 84 ÷ 6 = 14
Number of lemons at first
= 7 u
= 7 x 14
= 98
Answer(s): 98