Question 971979
x=Tom

Monday:  T has x  ;   Jack has (1/3)x

Tuesday:  T has x-160

(1/3)x = (x=160) 2

(1/3)x =2x -320
(-5/3)x= -320

(5/3)x =320

Multiply by 3
5x=960

x=192

Tom collected 192 eggs; Jack had 64
he sold 160 and had 32 left, which is half of Jack's

Jack had 64 eggs