Last week, Simon had a total of 194 brown and purple staplers. Two weeks later, he sold
34 of all the brown staplers and 24 purple staplers. Now he has the same number of brown and purple staplers. How many staplers does he have in the end?
| |
Brown |
Purple |
Total |
| Before |
4 u |
1 u + 24 |
5 u + 24 |
| Change |
- 3 u |
- 24 |
|
| After |
1 u |
1 u |
|
Comparing the brown
and purple staplers in the end |
1 |
1 |
|
Total number of staplers at first
= 4 u + 1 u + 24
= 5 u + 24
5 u + 24 = 194
5 u = 194 - 24
5 u = 170
1 u = 170 ÷ 5 = 34
Number of staplers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 34
= 68
Answer(s): 68
