a tour group split into two groups hen waiting in line for food

a tour group split into two groups hen waiting in line for food at
a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $36.12. The second group bought 6 slices of pizza and 6 soft drinks for $31.74. How much does one slice of pizza cost?

 
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Suppose that the x-intercepts of the graph of y= f(x) are -8 and 1.

Suppose that the x-intercepts of the graph of y= f(x) are -8 and 1.
What are the x-intercepts of the graph of y= f(x+4)? Explain.

 
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If Solution A contains 76% chlorine and Solution B contains 90% chlorine

If Solution A contains 76% chlorine and Solution B contains 90% chlorine. How
much of each solution should be mixed in order to create 35 cups of a solution that contains 80% chlorine?

 
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A college student earned $5400 during summer vacation

A college student earned $5400 during summer vacation working as a
waiter in a restaurant on the boardwalk at the beach. The student invested part of the money at 8% and the rest at 6%. If the student received a total of $370 in interest at the end of the year, how much was invested at 8%?

 
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