Howard, Ken and Elijah sold some notebooks. Elijah sold 35% of the total number of notebooks sold by Ken and Howard. Howard sold 20% of the total number of notebooks sold by Ken and Elijah. Ken sold 85 more notebooks than Elijah. Find the total number of notebooks sold by all the boys.
| Howard |
Ken |
Elijah |
Total |
| 20x2 |
7x2 |
27x2 |
| 1x9 |
5x9 |
6x9 |
| 9 u |
31 u |
14 u |
54 u |
35% =
35100 =
720 20% =
20100 =
15 The total number of notebooks is repeated. Make the total number of notebooks the same. LCM of 27 and 6 is 54.
Number of more notebooks that Ken sold than Elijah
= 31 u - 14 u
= 17 u
17 u = 85
1 u = 85 ÷ 17 = 5
Total number of notebooks sold
= 54 u
= 54 x 5
= 270
Answer(s): 270
