A group of 45 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
children who were in the group.
(1 point)
O
O
O
O
a+c= 45
c = 2a
a + c = 45
la = c + 2
Sa+c= 45
lc = a + 2
[a+c= 45
a-2c
15 adults, 30 children
30 adults; 22 children
22 adults; 30 children
:30 adults, 15 children