Gabriel, Andy and Vaidev sold some files. Vaidev sold 40% of the total number of files sold by Andy and Gabriel. Gabriel sold 10% of the total number of files sold by Andy and Vaidev. Gabriel sold 164 less files than Andy. Find the total number of files sold by all the boys.
| Gabriel |
Andy |
Vaidev |
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 Gabriel sold than Andy
= 48 u - 7 u
= 41 u
41 u = 164
1 u = 164 ÷ 41 = 4
Total number of files sold
= 77 u
= 77 x 4
= 308
Answer(s): 308
