Last week, Henry had a total of 190 purple and red markers. Two weeks later, he sold
45 of all the purple markers and bought another 2 red markers. Now he has the same number of purple and red markers. How many markers does he have in the end?
| |
Purple |
Red |
Total |
| Before |
5 u |
1 u - 2 |
6 u - 2 |
| Change |
- 4 u |
+ 2 |
|
| After |
1 u |
1 u |
|
Comparing the purple
and red markers in the end |
1 |
1 |
|
Total number of markers at first
= 5 u + 1 u - 2
= 6 u - 2
6 u - 2 = 190
6 u = 190 + 2
6 u = 192
1 u = 192 ÷ 6 = 32
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 32
= 64
Answer(s): 64
