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Question 1 of 5
1. Question
Question 1: Write an expression to model the difference between j and 7 times x.
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Question 2 of 5
2. Question
Question 2: A reservoir has 25,000 gallons of water in it. The reservoir is being drained at a rate of 300 gallons per hour. Model this situation over x hours to find when the reservoir will be empty.
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Question 3 of 5
3. Question
Question 3: The sides of an equilateral triangle are each 5x-4. If the total perimeter of the triangle is 78 meters, find the value of x.
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Question 4 of 5
4. Question
Question 4: Jeff sells bracelets for $4 each. Each bracelet costs $1 to make and it costs Jeff $21 in materials before he can start making the bracelets. How many bracelets does Jeff need to make to break even?
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Question 5 of 5
5. Question
Question 5: True or False: All you need to do to change a one-variable equation to a two-variable equation is replace one of the known values with an unknown value.
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