There were 279 kiwis and passion fruits in a fruit stall.
49 of the kiwis and
35 of passion fruits were sold. Given that there were 176 kiwis and passion fruits left, how many kiwis were there in the fruit stall at first?
|
Kiwis |
Passion Fruits |
Before |
9 u |
5 p |
Change |
- 4 u |
- 3 p |
After |
5 u |
2 p |
9 u + 5 p = 279 --- (1)
5 u + 2 p = 176 --- (2)
Make p the same.
(1)
x 2 18 u + 10 p = 558 --- (3)
(2)
x 5 25 u + 10 p = 880 --- (4)
(4) - (3)
25 u - 18 u = 880 - 558
7 u = 322
1 u = 322 ÷ 7 = 46
Number of kiwis at first
= 9 u
= 9 x 46
= 414
Answer(s): 414