SOLUTION:
A toll bridge charges $4 for a car and $ 6 for a truck.
One day 200 of these vehicles cross the bridge and paid a total of $ 860.
How many we're trucks?
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-> SOLUTION:
A toll bridge charges $4 for a car and $ 6 for a truck.
One day 200 of these vehicles cross the bridge and paid a total of $ 860.
How many we're trucks?
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A toll bridge charges $4 for a car and $ 6 for a truck.
One day 200 of these vehicles cross the bridge and paid a total of $ 860.
How many we're trucks? Answer by checkley79(3341) (Show Source):
You can put this solution on YOUR website! 4C+6T=860
C+T=200
C=200-T
4(200-T)+6T=860
800-4T+6T=860
2T=860-800
2T=60
T=60/2
T=30 TRUCKS.
C+30=200
C=200-30
C=170 CARS.
PROOF:
4*170+6*30=860
680+180=860
860=860
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