Lee, Riordan and Carl sold some files. Carl sold 10% of the total number of files sold by Riordan and Lee. Lee sold 25% of the total number of files sold by Riordan and Carl. Lee sold 252 less files than Riordan. Find the total number of files sold by all the boys.
| Lee |
Riordan |
Carl |
Total |
| 10x5 |
1x5 |
11x5 |
| 1x11 |
4x11 |
5x11 |
| 11 u |
39 u |
5 u |
55 u |
10% =
10100 =
110 25% =
25100 =
14 The total number of files is repeated. Make the total number of files the same. LCM of 11 and 5 is 55.
Number of less files that Lee sold than Riordan
= 39 u - 11 u
= 28 u
28 u = 252
1 u = 252 ÷ 28 = 9
Total number of files sold
= 55 u
= 55 x 9
= 495
Answer(s): 495
