Gabriel, Tim and Julian sold some staplers. Julian sold 40% of the total number of staplers sold by Tim and Gabriel. Gabriel sold 20% of the total number of staplers sold by Tim and Julian. Gabriel sold 128 less staplers than Tim. Find the total number of staplers sold by all the boys.
| Gabriel |
Tim |
Julian |
Total |
| 5x6 |
2x6 |
7x6 |
| 1x7 |
5x7 |
6x7 |
| 7 u |
23 u |
12 u |
42 u |
40% =
40100 =
25 20% =
20100 =
15 The total number of staplers is repeated. Make the total number of staplers the same. LCM of 7 and 6 is 42.
Number of less staplers that Gabriel sold than Tim
= 23 u - 7 u
= 16 u
16 u = 128
1 u = 128 ÷ 16 = 8
Total number of staplers sold
= 42 u
= 42 x 8
= 336
Answer(s): 336
