At a local supermarket, a box of cereal usually costs 10 dollars. This week, the supermarket sells the box of cereal for 2 dollars. How much money will you save if you buy this cereal at this supermarket?  Options: A) 5 dollars B) 3 dollars C) 4 dollars D) 2 dollars E) 8 dollar
Solution:   In this situation, there is a decrease in the price.   Saving = 10 - 2= 
<gadget id="calculator">10 - 2</gadget>
<output>8</output>
8 dollars   Option 8 dollar
<result>E</result>
At a local supermarket, a box of cereal usually costs 10 dollars. This week, the supermarket sells the box of cereal for 2 dollars. How much money will you save if you buy this cereal at this supermarket?