Simon, Billy and George sold some staplers. George sold 30% of the total number of staplers sold by Billy and Simon. Simon sold 25% of the total number of staplers sold by Billy and George. Billy sold 176 more staplers than George. Find the total number of staplers sold by all the boys.
| Simon |
Billy |
George |
Total |
| 10x5 |
3x5 |
13x5 |
| 1x13 |
4x13 |
5x13 |
| 13 u |
37 u |
15 u |
65 u |
30% =
30100 =
310 25% =
25100 =
14 The total number of staplers is repeated. Make the total number of staplers the same. LCM of 13 and 5 is 65.
Number of more staplers that Billy sold than George
= 37 u - 15 u
= 22 u
22 u = 176
1 u = 176 ÷ 22 = 8
Total number of staplers sold
= 65 u
= 65 x 8
= 520
Answer(s): 520
