Glen had 126 starfruits and 104 apples at first. He used
56 of the starfruits and
78 of the apples. He then bought some more apples. In the end,
18 of the fruits he had left were starfruits. How many apples did he buy?
| |
Starfruits |
Apples |
Total |
| Before |
126 |
104 |
|
| Change 1 |
- 105 |
- 91 |
|
| After 1 |
21 |
13 |
|
| Change 2 |
|
+ some |
|
| After 2 |
1 u |
7 u |
8 u |
Number of starfruits that Glen used
=
56 x 126
= 105
Number of starfruits that Glen had left
= 126 - 105
= 21
Number of apples that Glen used
=
78 x 104
= 91
Number of apples that Glen had left
= 104 - 91
= 13
Fraction of the fruits left that were apples
= 1 -
18=
78 Number of starfruits left = 1 u = 21
Number of apples left in the end
= 7 u
= 7 x 21
= 147
Number of apples that Glen bought
= 147 - 13
= 134
Answer(s): 134
