Answer:
<h2><u>Solution</u><u> </u><u>:</u><u>-</u></h2>
Mean = 75 + 68 + 75 + 92 + 105/5
Mean = 415/5
Mean = 83
None of option is correct

Answer:
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0.765 (100) + .06 (.0765 x 100)
76.5 + .06 (76.5)
76.5 + 4.59 = 81.09 Chris will pay $81.09
2( coin faces) 8( number of times)
4/5y + 3(2/5x + 7/5y)...distribute thru the parenthesis
4/5y + 6/5x + 21/5y ...combine like terms
25/5y + 6/5x.....reduce
5y + 6/5x