Will, Xavier and Seth sold some markers. Seth sold 20% of the total number of markers sold by Xavier and Will. Will sold 30% of the total number of markers sold by Xavier and Seth. Xavier sold 340 more markers than Seth. Find the total number of markers sold by all the boys.
| Will |
Xavier |
Seth |
Total |
| 5x13 |
1x13 |
6x13 |
| 3x6 |
10x6 |
13x6 |
| 18 u |
47 u |
13 u |
78 u |
20% =
20100 =
15 30% =
30100 =
310 The total number of markers is repeated. Make the total number of markers the same. LCM of 6 and 13 is 78.
Number of more markers that Xavier sold than Seth
= 47 u - 13 u
= 34 u
34 u = 340
1 u = 340 ÷ 34 = 10
Total number of markers sold
= 78 u
= 78 x 10
= 780
Answer(s): 780
