5 by 5 square is inscribed in circle. What is the circumference of the circle?
1 answer:
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70 adults and 100 children attended the carnival.
Step-by-step explanation:
Given,
Cost of each adult ticket = $10
Cost of each child ticket = $5
Total tickets sold = 170
Total revenue generated = $1200
Let,
Number of adults = x
Number of children = y
According to given statement;
x+y=170 Eqn 1
10x+5y=1200 Eqn 2
Multiplying Eqn 1 by 10
Subtracting Eqn 2 from Eqn 3
Dividing both sides by 5
Putting y=100 in Eqn 1
70 adults and 100 children attended the carnival.
Keywords: linear equation, elimination method
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