Answer: 130 miles
Step-by-step explanation:
Given
Mai goes running Monday, Wedenesday and friday
For Monday it is 3.5 miles
For Wednesday it is 5.5 miles
For Friday it is 7.25 miles
Total distance traveled in a week
[tex]\Rightarrow 3.5+5.5+7.25\\\Rightarrow 16.25\ \text{miles}[/tex]
For 8 week it is
[tex]\Rightarrow 16.25\times 8\\\Rightarrow 130\ \text{miles}[/tex]