Last week, Julian had a total of 152 brown and purple markers. Two weeks later, he sold
34 of all the brown markers and 22 purple markers. Now he has the same number of brown and purple markers. How many markers does he have in the end?
| |
Brown |
Purple |
Total |
| Before |
4 u |
1 u + 22 |
5 u + 22 |
| Change |
- 3 u |
- 22 |
|
| After |
1 u |
1 u |
|
Comparing the brown
and purple markers in the end |
1 |
1 |
|
Total number of markers at first
= 4 u + 1 u + 22
= 5 u + 22
5 u + 22 = 152
5 u = 152 - 22
5 u = 130
1 u = 130 ÷ 5 = 26
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 26
= 52
Answer(s): 52
