Last week, Albert had a total of 377 green and grey staplers. Two weeks later, he sold
45 of all the green staplers and 23 grey staplers. Now he has the same number of green and grey staplers. How many staplers does he have in the end?
| |
Green |
Grey |
Total |
| Before |
5 u |
1 u + 23 |
6 u + 23 |
| Change |
- 4 u |
- 23 |
|
| After |
1 u |
1 u |
|
Comparing the green
and grey staplers in the end |
1 |
1 |
|
Total number of staplers at first
= 5 u + 1 u + 23
= 6 u + 23
6 u + 23 = 377
6 u = 377 - 23
6 u = 354
1 u = 354 ÷ 6 = 59
Number of staplers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 59
= 118
Answer(s): 118
