David, Zane and Vaidev sold some files. Vaidev sold 30% of the total number of files sold by Zane and David. David sold 20% of the total number of files sold by Zane and Vaidev. Zane sold 232 more files than Vaidev. Find the total number of files sold by all the boys.
| David |
Zane |
Vaidev |
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 files is repeated. Make the total number of files the same. LCM of 13 and 6 is 78.
Number of more files that Zane sold than Vaidev
= 47 u - 18 u
= 29 u
29 u = 232
1 u = 232 ÷ 29 = 8
Total number of files sold
= 78 u
= 78 x 8
= 624
Answer(s): 624
