Question 816235
1/24+1/16+1/c=1/8
8/24+8/16+8/c=1
1/3+1/2+8/c=1
2/6+3/6+8/c=1
5/6+8/c=1
8/c=1/6
c=48 days alone

a and b without c
x/24+x/16=1
2x/48+3x/48=1
5x/48=1
x=48/5
x=9.6 days for a and b