Asher, Oliver and Eric sold some notebooks. Eric sold 20% of the total number of notebooks sold by Oliver and Asher. Asher sold 25% of the total number of notebooks sold by Oliver and Eric. Asher sold 104 less notebooks than Oliver. Find the total number of notebooks sold by all the boys.
| Asher |
Oliver |
Eric |
Total |
| 5x5 |
1x5 |
6x5 |
| 1x6 |
4x6 |
5x6 |
| 6 u |
19 u |
5 u |
30 u |
20% =
20100 =
15 25% =
25100 =
14 The total number of notebooks is repeated. Make the total number of notebooks the same. LCM of 6 and 5 is 30.
Number of less notebooks that Asher sold than Oliver
= 19 u - 6 u
= 13 u
13 u = 104
1 u = 104 ÷ 13 = 8
Total number of notebooks sold
= 30 u
= 30 x 8
= 240
Answer(s): 240
