Ivan, Jeremy and Luis sold some files. Luis sold 30% of the total number of files sold by Jeremy and Ivan. Ivan sold 25% of the total number of files sold by Jeremy and Luis. Ivan sold 48 less files than Jeremy. Find the total number of files sold by all the boys.
| Ivan |
Jeremy |
Luis |
Total |
| 10x5 |
3x5 |
13x5 |
| 1x13 |
4x13 |
5x13 |
| 13 u |
37 u |
15 u |
65 u |
30% =
30100 =
310 25% =
25100 =
14 The total number of files is repeated. Make the total number of files the same. LCM of 13 and 5 is 65.
Number of less files that Ivan sold than Jeremy
= 37 u - 13 u
= 24 u
24 u = 48
1 u = 48 ÷ 24 = 2
Total number of files sold
= 65 u
= 65 x 2
= 130
Answer(s): 130
