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