Sam had 154 lemons and 188 kiwis at first. He used
311 of the lemons and
34 of the kiwis. He then bought some more kiwis. In the end,
15 of the fruits he had left were lemons. How many kiwis did he buy?
| |
Lemons |
Kiwis |
Total |
| Before |
154 |
188 |
|
| Change 1 |
- 42 |
- 141 |
|
| After 1 |
112 |
47 |
|
| Change 2 |
|
+ some |
|
| After 2 |
1 u |
4 u |
5 u |
Number of lemons that Sam used
=
311 x 154
= 42
Number of lemons that Sam had left
= 154 - 42
= 112
Number of kiwis that Sam used
=
34 x 188
= 141
Number of kiwis that Sam had left
= 188 - 141
= 47
Fraction of the fruits left that were kiwis
= 1 -
15=
45 Number of lemons left = 1 u = 112
Number of kiwis left in the end
= 4 u
= 4 x 112
= 448
Number of kiwis that Sam bought
= 448 - 47
= 401
Answer(s): 401
