Last week, Gabriel had a total of 208 pink and blue files. Two weeks later, he sold
45 of all the pink files and 16 blue files. Now he has the same number of pink and blue files. How many files does he have in the end?
| |
Pink |
Blue |
Total |
| Before |
5 u |
1 u + 16 |
6 u + 16 |
| Change |
- 4 u |
- 16 |
|
| After |
1 u |
1 u |
|
Comparing the pink
and blue files in the end |
1 |
1 |
|
Total number of files at first
= 5 u + 1 u + 16
= 6 u + 16
6 u + 16 = 208
6 u = 208 - 16
6 u = 192
1 u = 192 ÷ 6 = 32
Number of files that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 32
= 64
Answer(s): 64
