Seth, Vincent and Tim sold some markers. Tim sold 30% of the total number of markers sold by Vincent and Seth. Seth sold 20% of the total number of markers sold by Vincent and Tim. Seth sold 204 less markers than Vincent. Find the total number of markers sold by all the boys.
| Seth |
Vincent |
Tim |
Total |
| 10x6 |
3x6 |
13x6 |
| 1x13 |
5x13 |
6x13 |
| 13 u |
47 u |
18 u |
78 u |
30% =
30100 =
310 20% =
20100 =
15 The total number of markers is repeated. Make the total number of markers the same. LCM of 13 and 6 is 78.
Number of less markers that Seth sold than Vincent
= 47 u - 13 u
= 34 u
34 u = 204
1 u = 204 ÷ 34 = 6
Total number of markers sold
= 78 u
= 78 x 6
= 468
Answer(s): 468
