There were 308 oranges and passion fruits in a fruit stall.
49 of the oranges and
35 of passion fruits were sold. Given that there were 182 oranges and passion fruits left, how many oranges were there in the fruit stall at first?
|
Oranges |
Passion Fruits |
Before |
9 u |
5 p |
Change |
- 4 u |
- 3 p |
After |
5 u |
2 p |
9 u + 5 p = 308 --- (1)
5 u + 2 p = 182 --- (2)
Make p the same.
(1)
x 2 18 u + 10 p = 616 --- (3)
(2)
x 5 25 u + 10 p = 910 --- (4)
(4) - (3)
25 u - 18 u = 910 - 616
7 u = 294
1 u = 294 ÷ 7 = 42
Number of oranges at first
= 9 u
= 9 x 42
= 378
Answer(s): 378