SOLUTION: Miss Orloff drove from Hillside to Manor Haven at an average speed of 40 mph. By travelling at an average rate of 48 mph., she arrived 30 minutes earlier. How far is it from Hillsi

Question 960403: Miss Orloff drove from Hillside to Manor Haven at an average speed of 40 mph. By travelling at an average rate of 48 mph., she arrived 30 minutes earlier. How far is it from Hillside to Manor Haven?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = distance in miles from Hillside to Manor Haven
Let = time to get there driving at mi/hr
-------------------------
Equation driving at normal rate:
(1)
Equation driving at mi/hr
(2)
---------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
The distance is 120 mi
----------------------
check:
(2)
(2)
(2)
OK

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