Mathematics, 12.11.2020 17:10, preservations

A group of 40 people attended a ball game. There were three times 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.

{ac-

(a + c = 40

1.30 adults, 19 children

La - C+ 3

la+- 40

- 10 adults, 30 children

C - 3a

o

(a + C - 40

19 adults: 30 children

lc = a + 3

COS

(a + c = 40

1930 adults, 10 children

a = 3c

Yes

Answers: 1

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A group of 40 people attended a ball game. There were three times as many children as adults in the...