Vincent had 133 chikoos and 186 oranges at first. He used
57 of the chikoos and
56 of the oranges. He then bought some more oranges. In the end,
15 of the fruits he had left were chikoos. How many oranges did he buy?
| |
Chikoos |
Oranges |
Total |
| Before |
133 |
186 |
|
| Change 1 |
- 95 |
- 155 |
|
| After 1 |
38 |
31 |
|
| Change 2 |
|
+ some |
|
| After 2 |
1 u |
4 u |
5 u |
Number of chikoos that Vincent used
=
57 x 133
= 95
Number of chikoos that Vincent had left
= 133 - 95
= 38
Number of oranges that Vincent used
=
56 x 186
= 155
Number of oranges that Vincent had left
= 186 - 155
= 31
Fraction of the fruits left that were oranges
= 1 -
15=
45 Number of chikoos left = 1 u = 38
Number of oranges left in the end
= 4 u
= 4 x 38
= 152
Number of oranges that Vincent bought
= 152 - 31
= 121
Answer(s): 121
