Let a and c represent, respectively, the price of an adult and a child ticket. We know that
Multiply the first equation by 3 and the second equation by 2 to get
Subtract the two equations to have
Plug this value in the first equation to get
A scout troop is planting trees at the state park. The troop planted 7 trees in 3 hours. At that rate, how many trees will they
1 answer:
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