None of the equations are identities.
Answer:
18.472 miles
Step-by-step explanation:

Cross Multiply

Divide both sides of the equation by 9


-1 because they in between
Step-by-step explanation:
we first divide fourteen by four
14/4= 3.5
then we change 0.5 to hours by multiplying by 60
0.5 * 60 = 30
so in conclusion it would take 3hrs 30mins to finish each activity