Alfonso went to famous sam's appliances store and purchased a refrigerator and a stove. the sale price of the refrigerator was 40% off the original price and the sale price of the stove was 20% off the original price.
which statement must be true to conclude that alfonso received a 30% overall discount on the refrigerator and the stove together?
a) the sale prices of the refrigerator and the stove were the same.
b) the original prices of the refrigerator and the stove were the same.
c) the sale price of the refrigerator was twice the sale price of the stove.
d) the original price of the refrigerator was twice the original price of the stove.