Question
The total toll charge for 1 car and 5 bicycles to cross a bridge is $7.50.
The toll for a car is $1.50 more than for a bicycle. Find the cost for a car to cross the bridge.
The toll for a car is $1.50 more than for a bicycle. Find the cost for a car to cross the bridge.
Answers
MathMate
C=toll for a car
B=toll for a bicycle
C+5B = 7.5
C- B = 1.5
Can you find C & B?
B=toll for a bicycle
C+5B = 7.5
C- B = 1.5
Can you find C & B?
Jason
yeah i can thanks
MathMate
Good!
You can check your results against the problem statement. If in doubt, post your results.
You can check your results against the problem statement. If in doubt, post your results.
Jason
nevermine i can't how can u find b
MathMate
Subtract the second equation from the first to get
C+5B -(C-B) = 7.5 -1.5
6B = 6
B=1
Substitute B=1 into the second equation to get C.
C+5B -(C-B) = 7.5 -1.5
6B = 6
B=1
Substitute B=1 into the second equation to get C.
Jason
thanks i got now the car cost 2.50
MathMate
Excellent! It's correct.
Anonymous
It costs 8 dollars.