Fabian, Oscar and Oliver sold some pencils. Oliver sold 30% of the total number of pencils sold by Oscar and Fabian. Fabian sold 20% of the total number of pencils sold by Oscar and Oliver. Fabian sold 238 less pencils than Oscar. Find the total number of pencils sold by all the boys.
| Fabian |
Oscar |
Oliver |
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 pencils is repeated. Make the total number of pencils the same. LCM of 13 and 6 is 78.
Number of less pencils that Fabian sold than Oscar
= 47 u - 13 u
= 34 u
34 u = 238
1 u = 238 ÷ 34 = 7
Total number of pencils sold
= 78 u
= 78 x 7
= 546
Answer(s): 546
