Tammy is going for a walk she walks at a speed of 3 miles per hour for 7.5 miles. For how many hours does she walk.

Tammy does walk a time of 3.75 hours

Explanation:

Given-

Speed, (which can be represented as s) = 2 miles/hour

Distance, (which can be represented as d) = 7.5 miles of distance.

Time, t = ?

We know,

d = s t

7.5 miles of distance = 2 miles/hour * t

3.75 hour of time = t

Therefore, Tammy does walk a time of 3.75 hours