There were 255 persimmons and chikoos in a fruit stall.
27 of the persimmons and
38 of chikoos were sold. Given that there were 170 persimmons and chikoos left, how many persimmons were there in the fruit stall at first?
|
Persimmons |
Chikoos |
Before |
7 u |
8 p |
Change |
- 2 u |
- 3 p |
After |
5 u |
5 p |
7 u + 8 p = 255 --- (1)
5 u + 5 p = 170 --- (2)
Make p the same.
(1)
x 5 35 u + 40 p = 1275 --- (3)
(2)
x 8 40 u + 40 p = 1360 --- (4)
(4) - (3)
40 u - 35 u = 1360 - 1275
5 u = 85
1 u = 85 ÷ 5 = 17
Number of persimmons at first
= 7 u
= 7 x 17
= 119
Answer(s): 119