Afarmer is selling 480 sheep. half of the sheep are sold to a neighboring farm that has 150 acres. one-third of the sheep are sold to his son who is starting his own farm of 240 acres.

the complete question in the attached figure

we know that

the total of sheep is 480

a) Half of the sheep ------------------------ > are sold to a neighboring farm

b) One-third of the sheep ------------------ > are sold to his son

Questions
1) How many sheep are sold to the neighboring farm
(1/2)*480=240 sheep are sold to a neighboring farm
the answer is 240 sheep

2) How many sheep are sold to his son
(1/3)*480=160 sheep are sold to his son
the answer is 160 sheep

3) How many sheep does the farmer have left to sell
480-(240+160)=80 sheep
the answer is 80 sheep

X=y+4 is the answe