Perry, Ian and Warren sold some notebooks. Warren sold 40% of the total number of notebooks sold by Ian and Perry. Perry sold 25% of the total number of notebooks sold by Ian and Warren. Ian sold 48 more notebooks than Warren. Find the total number of notebooks sold by all the boys.
| Perry |
Ian |
Warren |
Total |
| 5x5 |
2x5 |
7x5 |
| 1x7 |
4x7 |
5x7 |
| 7 u |
18 u |
10 u |
35 u |
40% =
40100 =
25 25% =
25100 =
14 The total number of notebooks is repeated. Make the total number of notebooks the same. LCM of 7 and 5 is 35.
Number of more notebooks that Ian sold than Warren
= 18 u - 10 u
= 8 u
8 u = 48
1 u = 48 ÷ 8 = 6
Total number of notebooks sold
= 35 u
= 35 x 6
= 210
Answer(s): 210
