Last week, Oscar had a total of 292 yellow and blue markers. Two weeks later, he sold
45 of all the yellow markers and 4 blue markers. Now he has the same number of yellow and blue markers. How many markers does he have in the end?
| |
Yellow |
Blue |
Total |
| Before |
5 u |
1 u + 4 |
6 u + 4 |
| Change |
- 4 u |
- 4 |
|
| After |
1 u |
1 u |
|
Comparing the yellow
and blue markers in the end |
1 |
1 |
|
Total number of markers at first
= 5 u + 1 u + 4
= 6 u + 4
6 u + 4 = 292
6 u = 292 - 4
6 u = 288
1 u = 288 ÷ 6 = 48
Number of markers that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 48
= 96
Answer(s): 96
