There were 274 chikoos and apples in a fruit stall.
37 of the chikoos and
35 of apples were sold. Given that there were 166 chikoos and apples left, how many chikoos were there in the fruit stall at first?
|
Chikoos |
Apples |
Before |
7 u |
5 p |
Change |
- 3 u |
- 3 p |
After |
4 u |
2 p |
7 u + 5 p = 274 --- (1)
4 u + 2 p = 166 --- (2)
Make p the same.
(1)
x 2 14 u + 10 p = 548 --- (3)
(2)
x 5 20 u + 10 p = 830 --- (4)
(4) - (3)
20 u - 14 u = 830 - 548
6 u = 282
1 u = 282 ÷ 6 = 47
Number of chikoos at first
= 7 u
= 7 x 47
= 329
Answer(s): 329