SOLUTION: A commuter airplane travels 40 Km per hour faster than the television news helicopter over the city. The commuter airplane travels 1350km during the same time that the television n

Question 896579: A commuter airplane travels 40 Km per hour faster than the television news helicopter over the city. The commuter airplane travels 1350km during the same time that the television news helicopter travels only 1050 km. How fast does the commuter airplane fly? How fast does the TV news helicopter fly?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = time in hours
Let = speed of the T.N.H in km/hr
Equation for commuter airplane:
(1)
Equation for television news helicopter:
(2)
-------------------
(2)
Substitute (2) into (1)
(1)
(1)
(1)
(1)
(1)
----------------
The speed of the T.N.H is 140 km/hr
check:
(2)
(2)
(2)
(1)
(1)
(1)
(1)
OK

RELATED QUESTIONS
A commuter plan travels 90 miles per hour faster than a passenger bus. The commuter plane (answered by nyc_function)

The speed of a commuter plane is 150 miles per hour slower than that of a passenger jet.... (answered by venugopalramana)

The speed of a commuter plane is 150 miles per hour slower than that of a passenger jet.... (answered by Photonjohn)

Airline travels 40 kilmeter per hour faster than a helicopter, airliner traves 1250... (answered by ewatrrr)

a helicopter travels 630 kms. at the same time that a car travels 210 kms. If the... (answered by josmiceli)

A metra commuter train leaves union station in chicago at 12 noon. Two hours later, an... (answered by ankor@dixie-net.com)

A commuter train travels a distance of 4 miles in exactly 3 minutes. What is the average... (answered by checkley77,stanbon,drk)

A metra commuter train leaves union station at noon. 2 hour later , an Amtrak train... (answered by stanbon)

[ Jill goes to work on a commuter train and travels 25 miles. She rides the train back... (answered by TimothyLamb)