152. If each of the letters below is represented by a number between 1 and 9
inclusive, and no letter shares the same value as a different letter, can you determine the values of the letters A and E in this subtraction problem?
A B C D E
- E G H I A
Q B Z A
154. Jim, Jack and Joe had collected baseball cards for years and each had the same number of cards. They decided to sell them together. Each sold half of what he had in the first hour. Then they had a few more sales at their booth before closing. Jack had one-fourth of his originals left, Jim had one-half of his originals and Joe had two left, one-eighth of his originals. How many did they start out with together?
156. At a party, 1/5 of the people departed early. Later, 1/3 of the remaining guests departed. Much later, 3/4 of those guests departed. If two people were left, how many people were originally at the party?
158. A farmer goes to the market with $100 cash. He has to buy exactly 100 animals. There are cows, geese and chicken for sale. A cow costs $15, a goose is $1 and a chicken costs $0.25. He has to buy at least one of each animal and has to spend all his money. What does the farmer buy?
159. You bought 2 antique lamps for $50 each. Later, you were offered $60 for one and you sold it, changed your mind when you saw its duplicate being sold for more, and bought it back for $70. You then sold it for $80. The first one didn't sell at all so you reduced it by 10% below what you originally paid and managed to sell it. Did you make or lose money on the deal, and how much?