Answer:
15 miles
Step-by-step explanation:
Let
be the miles in the circular park path,
the time Louisa takes to finish and
the time Calvin takes to finish both in hours.
Then
, the longitude is equal to the velocity times the time used to finish. So


And the difference between Louisa's time and Calvin' time is 30 minutes, half an hour. So:

Three equations, three unknowns, the system can be solved.
Equalizing the equation with x :

In this last equation replace
with the other equation and solve:
With Louisa's time find x:
Step-by-step explanation:
Given

Hope it will help :)
Answer:
17.
Step-by-step explanation:
one dash is equal to 2. so just go by twos
Answer:
volume = 504
Step-by-step explanation:
the basic formula for volume is length × width
14 x 3 x 3 x 2 x 2 = 504