Last week, Lee had a total of 306 brown and pink markers. Two weeks later, he sold
34 of all the brown markers and 6 pink markers. Now he has the same number of brown and pink markers. How many markers does he have in the end?
| |
Brown |
Pink |
Total |
| Before |
4 u |
1 u + 6 |
5 u + 6 |
| Change |
- 3 u |
- 6 |
|
| After |
1 u |
1 u |
|
Comparing the brown
and pink markers in the end |
1 |
1 |
|
Total number of markers at first
= 4 u + 1 u + 6
= 5 u + 6
5 u + 6 = 306
5 u = 306 - 6
5 u = 300
1 u = 300 ÷ 5 = 60
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 60
= 120
Answer(s): 120
