1 and 1/2 is the right one
i think we have to find the answer for terms of a
p=a+4b+2c
ISOLATE A
p-4b-2c=a
answer:
p-4b-2c=a
The groups would meet an hour later, at 11 am.
The least number of socks that rob can remove to guarantee he removed a pair of white socks without looking is15 socks