SOLUTION: A group of 39 people attended a ball game. There were twice as many children as adults in the group. Set up a system of equations that represents the numbers of adults and children

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Question 1158293: A group of 39 people attended a ball game. There were twice as many children as adults in the group. Set up a system of equations that represents the numbers of adults and children who attended the game and solve the system to find the number of adults and the number of children who were in the group.

mc003-4.jpg; 26 adults, 13 children
mc003-2.jpg; 19 adults; 26 children
mc003-1.jpg; 26 adults; 19 children
mc003-3.jpg; 13 adults, 26 children
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
C=2A
C+A=39
substitute 2A for C
2A+A=39
A=13 adults
C=26 children