Show all work for proof. 10 Points to the first who gets it right.
1.) if you buy a goat for $20, sell it for $40, buy it back again for $60, and sell it again for $80, how much money have you gained or lost on the combined deals?
2.) You have a 10-liter jug full of water. You also have an empty 4-liter jug and...
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Show all work for proof. 10 Points to the first who gets it right.
1.) if you buy a goat for $20, sell it for $40, buy it back again for $60, and sell it again for $80, how much money have you gained or lost on the combined deals?
2.) You have a 10-liter jug full of water. You also have an empty 4-liter jug and an empty 3-liter jug. All the jugs are unmarked. Using only these jugs, how can you pour the water back and forth so that you end up with 5 liters of water in the 10-liter jug, 1 liter of water in the 3-liter jug, and 4 liters of water in the 4-liter jug?
3.) A farmer buys 100 live animals for $100. How many of each does he buy if chicks are $0.10 each, pigs are $2 each, sheep are $3 each, and cows are $50 each?
4.) On a string of 33 pearls, the middle pearl is the largest and most expensive of all. Starting from one end, each pearl is worth $100 more than the one before, up to the middle. From the other end, each pearl is worth $150 more than the one before, up to the middle. The string of pearls is worth $65,000. What is the value of the middle pearl?
4 answers
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3 weeks ago