Which sentence contains an incorrect possessive form?

A.
He saved almost the entire month's pay in his bank account.

B.
She's going to buy a dollars worth of food from the vending machine.

C.
The store is about an hour's walk from our house.

D.
I needed to rest after the day's work.

Question

Which sentence contains an incorrect possessive form?	
 
 A.
He saved almost the entire month's pay in his bank account.
 
 B.
She's going to buy a dollars worth of food from the vending machine.
 
 C.
The store is about an hour's walk from our house.
 
 D.
I needed to rest after the day's work.

anonymous · Answer

not 100% sure but i would say B.