Why is figuring out the unit price of something useful when shopping?
a li helps you check to see if the price is correct.
b. It helps you locate items in the store.
C. It helps you determine the best deal.
d. it determines if a coupon is still usable.
The answer is C. It helps determine the best deal.
This is because by knowing the unit price you can tell exactly how much you are actually getting for the price you are paying, when compared to similar products.