Fred, Bryan and Will sold some pencils. Will sold 40% of the total number of pencils sold by Bryan and Fred. Fred sold 10% of the total number of pencils sold by Bryan and Will. Bryan sold 260 more pencils than Will. Find the total number of pencils sold by all the boys.
| Fred |
Bryan |
Will |
Total |
| 5x11 |
2x11 |
7x11 |
| 1x7 |
10x7 |
11x7 |
| 7 u |
48 u |
22 u |
77 u |
40% =
40100 =
25 10% =
10100 =
110 The total number of pencils is repeated. Make the total number of pencils the same. LCM of 7 and 11 is 77.
Number of more pencils that Bryan sold than Will
= 48 u - 22 u
= 26 u
26 u = 260
1 u = 260 ÷ 26 = 10
Total number of pencils sold
= 77 u
= 77 x 10
= 770
Answer(s): 770
