Last week, Wesley had a total of 198 grey and white markers. Two weeks later, he sold
34 of all the grey markers and 8 white markers. Now he has the same number of grey and white markers. How many markers does he have in the end?
| |
Grey |
White |
Total |
| Before |
4 u |
1 u + 8 |
5 u + 8 |
| Change |
- 3 u |
- 8 |
|
| After |
1 u |
1 u |
|
Comparing the grey
and white markers in the end |
1 |
1 |
|
Total number of markers at first
= 4 u + 1 u + 8
= 5 u + 8
5 u + 8 = 198
5 u = 198 - 8
5 u = 190
1 u = 190 ÷ 5 = 38
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 38
= 76
Answer(s): 76
