Billy, Tom and Tim sold some staplers. Tim sold 20% of the total number of staplers sold by Tom and Billy. Billy sold 10% of the total number of staplers sold by Tom and Tim. Billy sold 387 less staplers than Tom. Find the total number of staplers sold by all the boys.
| Billy |
Tom |
Tim |
Total |
| 5x11 |
1x11 |
6x11 |
| 1x6 |
10x6 |
11x6 |
| 6 u |
49 u |
11 u |
66 u |
20% =
20100 =
15 10% =
10100 =
110 The total number of staplers is repeated. Make the total number of staplers the same. LCM of 6 and 11 is 66.
Number of less staplers that Billy sold than Tom
= 49 u - 6 u
= 43 u
43 u = 387
1 u = 387 ÷ 43 = 9
Total number of staplers sold
= 66 u
= 66 x 9
= 594
Answer(s): 594
