Last week, Henry had a total of 175 green and white markers. Two weeks later, he sold
23 of all the green markers and bought another 17 white markers. Now he has the same number of green and white markers. How many markers does he have in the end?
| |
Green |
White |
Total |
| Before |
3 u |
1 u - 17 |
4 u - 17 |
| Change |
- 2 u |
+ 17 |
|
| After |
1 u |
1 u |
|
Comparing the green
and white markers in the end |
1 |
1 |
|
Total number of markers at first
= 3 u + 1 u - 17
= 4 u - 17
4 u - 17 = 175
4 u = 175 + 17
4 u = 192
1 u = 192 ÷ 4 = 48
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 48
= 96
Answer(s): 96
