John, Japheth and Oliver sold some files. Oliver sold 40% of the total number of files sold by Japheth and John. John sold 10% of the total number of files sold by Japheth and Oliver. John sold 246 less files than Japheth. Find the total number of files sold by all the boys.
| John |
Japheth |
Oliver |
Total |
| 5x11 |
2x11 |
7x11 |
| 1x7 |
10x7 |
11x7 |
| 7 u |
48 u |
22 u |
77 u |
40% =
40100 =
25 10% =
10100 =
110 The total number of files is repeated. Make the total number of files the same. LCM of 7 and 11 is 77.
Number of less files that John sold than Japheth
= 48 u - 7 u
= 41 u
41 u = 246
1 u = 246 ÷ 41 = 6
Total number of files sold
= 77 u
= 77 x 6
= 462
Answer(s): 462
