Last week, Jack had a total of 303 purple and gold staplers. Two weeks later, he sold
56 of all the purple staplers and bought another 26 gold staplers. Now he has the same number of purple and gold staplers. How many staplers does he have in the end?
| |
Purple |
Gold |
Total |
| Before |
6 u |
1 u - 26 |
7 u - 26 |
| Change |
- 5 u |
+ 26 |
|
| After |
1 u |
1 u |
|
Comparing the purple
and gold staplers in the end |
1 |
1 |
|
Total number of staplers at first
= 6 u + 1 u - 26
= 7 u - 26
7 u - 26 = 303
7 u = 303 + 26
7 u = 329
1 u = 329 ÷ 7 = 47
Number of staplers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 47
= 94
Answer(s): 94
