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Three numbers are in arithmetic progression. Their sum is 3 and the sum of their
squares is 11. What are the three numbers?
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Write two subtraction equations that are equivalent to 5 + 12 = 17.
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Three times the sum of a number and seven is negative thirty-six. what is the number?
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The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?
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Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Three numbers are in arithmetic progression. Their sum is 3 and the sum of their
squares is 11. Wh...
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