Louise has walked B. 9 miles
Since Louise is walking 12 miles to raise funds for a local cause. and If she has completed 3/4 of the distance, the number of miles she has walked, t = total distance × fraction of total distance.
Since total distance = 12 miles, and fraction of total distance = 3/4.
The number of miles she has walked, t = total distance × fraction of total distance.
Substituting the values of the variables into the equation, we have
t = 12 × 3/4
t = 3 × 3
t = 9 miles.
So, Louise has walked B. 9 miles
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