The Fourteenth Amendment made it difficult for African Americans to vote. The Fourteenth Amendment allowed Southern states to pass the Black Codes. The Fourteenth Amendment later became the basis for equal rights claims
It seems to me, that if you were to add the price of all three items together, then multiply by 7.5%, you'd have the answer. Remember that 7.5% = .075 ... in other words, that is the number you would multiply the sum of the items by. Does that help?
