Question 366390
together 16 hr
Let jim's=j and bob's=.5j
1/j + 1/.5j = 1/16
8j+16j=.5j^2 
24j=.5j^2
.5j^2-24j=0
j^2-48j=0 multiply each side by 2.
j(j-48)=0
j=48 hr
b=24 hr
.
Ed