Exact form= -29/4
Decimal form = -7.25
Mixed number form = -7(1/4)
Answer: 3.2 tons
Step-by-step explanation:
We know that 1 ton = 2000 pound
Then , 
Given : Mustafa’s horse ate 6,400 pounds of hay last year.
Then, the number of tons of hay his horse ate last year is given by :-

Therefore, the number of tons of hay his horse ate last year = 3.2 tons
Answer:
you will need to subtract 15% from $12 and get 10.20 now times that by 5 and you will get $51.