subtraction:
5/8 - 1/8 = 4/8which reduces to 1/2 pound left
The correct answer for the question that is being presented above is this one: "e.Based on the probability of a cure and the cost of treatment, both plans are equivalent, so either can be selected. <span>Suppose two drugs are routinely used for treatment of a particular kidney disorder. Drug 1 is known to cure the disease 85% of the time and costs $90.</span>
Addition because you add them together to find the total
If you multiply 3 and 3 and 3