To solve this problem you must apply the proccedure shown below:
If
, you have that:

Because
and 
Therefore, as you can see, the answer is: 
Answer:
there will be 60 ounces left
Step-by-step explanation:
Answer:
its either C or D
Step-by-step explanation:
there are 2 possible outcomes for getting either heads or tails so if we divided 150 by 2 we get 75, so about 75 times you could get tails.
so maybe it is D, but im not sure
The answer is c. Normally you round down but if you need more you make 1 more payment.
2 yards, +5 -7 =-2. They need 2 yards to gain back the two that were lost