SOLUTION: The Rocket Coaster has 15 cars, some that hold 4 people some that hold 6 people. There is room for 72 people altogether. How many 4 passenger cars are there? How many 6 passenger

Question 273799: The Rocket Coaster has 15 cars, some that hold 4 people some that hold 6 people. There is room for 72 people altogether. How many 4 passenger cars are there? How many 6 passenger cars are there?
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
a=how many 4 passanger carts there are
b=how many 6 passanger carts there are

uses substitution

theres 4-passanger carts
theres 6-passanger carts
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