Tommy, Ahmad and Julian sold some pens. Julian sold 35% of the total number of pens sold by Ahmad and Tommy. Tommy sold 20% of the total number of pens sold by Ahmad and Julian. Tommy sold 154 less pens than Ahmad. Find the total number of pens sold by all the boys.
| Tommy |
Ahmad |
Julian |
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 pens is repeated. Make the total number of pens the same. LCM of 27 and 6 is 54.
Number of less pens that Tommy sold than Ahmad
= 31 u - 9 u
= 22 u
22 u = 154
1 u = 154 ÷ 22 = 7
Total number of pens sold
= 54 u
= 54 x 7
= 378
Answer(s): 378
