Seth, Paul and Glen sold some pencils. Glen sold 10% of the total number of pencils sold by Paul and Seth. Seth sold 20% of the total number of pencils sold by Paul and Glen. Paul sold 172 more pencils than Glen. Find the total number of pencils sold by all the boys.
| Seth |
Paul |
Glen |
Total |
| 10x6 |
1x6 |
11x6 |
| 1x11 |
5x11 |
6x11 |
| 11 u |
49 u |
6 u |
66 u |
10% =
10100 =
110 20% =
20100 =
15 The total number of pencils is repeated. Make the total number of pencils the same. LCM of 11 and 6 is 66.
Number of more pencils that Paul sold than Glen
= 49 u - 6 u
= 43 u
43 u = 172
1 u = 172 ÷ 43 = 4
Total number of pencils sold
= 66 u
= 66 x 4
= 264
Answer(s): 264
