Call the shares m, w and k, so m+w+k=36000. m/w=2/3 and w/k=6/5. From these 3m=2w and 5w=6k. We can relate m and k by combining two equations. If 5w=6k and 2w=3m, we can substitute w=3m/2 in 5w=6k: 5*3m/2=6k, so k=5*3m/(2*6)=5/4m. Now we have w and k in terms of m so we can substitute for them in the first equation: m+3m/2+5m/4=36000. Multiply throughout by 4: 4m+6m+5m=144000, that is, 15m=144000, and m=144000/15=9600. So we can calculate the other two shares: k=5/4*9600=12000 and w=3/2*9600=14400. Quick check: 9600+12000+14400=36000. w=m+4800 (14400-9600). That fits in with m/w=2/3 or w/m=3/2. Wesonga had ksh4800 more than Mwaniki.