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2_1 - 3 John and Fred are painting a room of their...

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Solve for x : x - 1 x - 2 = 2 x - 2 + 3 Solve for a : 1 a = 2 b - 3 c 1

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The price of a stereo is marked up 20% and then marked down 20%. The new price is \$ 96. What was the original price of the stereo? 2
How much water must be added to 15 mL of a 25% acid solution in order to get a 20% acid solution?

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Unformatted text preview: 3 John and Fred are painting a room of their mother’s house. If John can do the job in 2 hours and Fred can do the job in 3 hours, how long will it take them if they work together, painting at the same time? 4...
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