Question

Laura collects glass figurines. She buys x figurines in gulfport, where they cost $2 each, y figurines in memphis, where they cost $4 dollars each, and z figurines in st. Louis, where they also cost $4 dollars each. What is the average (arithmetic mean) number of dollars spent in each of the three cities in terms of x, y, and z

Answer 1

2x+4y+4z

=2(x+2y+2z)

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