Last week, Japheth had a total of 404 white and purple staplers. Two weeks later, he sold
56 of all the white staplers and 5 purple staplers. Now he has the same number of white and purple staplers. How many staplers does he have in the end?
| |
White |
Purple |
Total |
| Before |
6 u |
1 u + 5 |
7 u + 5 |
| Change |
- 5 u |
- 5 |
|
| After |
1 u |
1 u |
|
Comparing the white
and purple staplers in the end |
1 |
1 |
|
Total number of staplers at first
= 6 u + 1 u + 5
= 7 u + 5
7 u + 5 = 404
7 u = 404 - 5
7 u = 399
1 u = 399 ÷ 7 = 57
Number of staplers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 57
= 114
Answer(s): 114
