Last week, Jeremy had a total of 205 purple and yellow markers. Two weeks later, he sold
56 of all the purple markers and bought another 26 yellow markers. Now he has the same number of purple and yellow markers. How many markers does he have in the end?
| |
Purple |
Yellow |
Total |
| Before |
6 u |
1 u - 26 |
7 u - 26 |
| Change |
- 5 u |
+ 26 |
|
| After |
1 u |
1 u |
|
Comparing the purple
and yellow markers in the end |
1 |
1 |
|
Total number of markers at first
= 6 u + 1 u - 26
= 7 u - 26
7 u - 26 = 205
7 u = 205 + 26
7 u = 231
1 u = 231 ÷ 7 = 33
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 33
= 66
Answer(s): 66
