Opal had 105 markers.
23 of them were purple markers and the rest were brown markers. After she had given away some purple markers, the ratio of the number of purple markers to the number of brown markers became 3 : 5. How many markers did she have in the end?
| |
Purple |
Brown |
Total |
| Before |
2x5 =
10 u |
1x5 =
5 u |
3x5 =
15 u |
| Change |
- 7 u |
|
|
| After |
3 u |
5 u |
8 u |
The number of brown markers remained unchanged.
LCM of 1 and 5 = 5
Total number of markers at first = 15 u
15 u = 105
1 u = 105 ÷ 15 = 7
Number of markers that Opal had in the end
= 3 u + 5 u
= 8 u
= 8 x 7
= 56
Answer(s):56
