Fred, Bobby and Michael sold some staplers. Michael sold 40% of the total number of staplers sold by Bobby and Fred. Fred sold 25% of the total number of staplers sold by Bobby and Michael. Bobby sold 32 more staplers than Michael. Find the total number of staplers sold by all the boys.
| Fred |
Bobby |
Michael |
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 staplers is repeated. Make the total number of staplers the same. LCM of 7 and 5 is 35.
Number of more staplers that Bobby sold than Michael
= 18 u - 10 u
= 8 u
8 u = 32
1 u = 32 ÷ 8 = 4
Total number of staplers sold
= 35 u
= 35 x 4
= 140
Answer(s): 140
