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WITCHER [35]
3 years ago
14

Perry's school is selling tickets to a choral performance. On the first day of ticket sales the school sold 12 adult tickets and

7 child tickets for a total of $57. The school took in $63 on the second day by selling 7 adult tickets and 14 child tickets. What is the price of one adult ticket and one child ticket?
Mathematics
2 answers:
WITCHER [35]3 years ago
8 0

Answer:

both cost 3 dollars

Step-by-step explanation:

x=adult ticket

y=child ticket

12x+7y=57

7x+14y=63

24x+14y=114

-7x-14y=-63

17x=51

x=3

7(3)+14y=63

21+14y=63

14y=42

y=3

Olin [163]3 years ago
6 0

Answer:

$6

Step-by-step explanation:

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Answer:

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To identify the miles that Peter rides, you must imagine the triangle with measures: 3.36 miles, 4.18 miles, and 5.61 miles. How you can suppose, Peter regularly rides exactly by each side of the triangle mentioned, then you must find the perimeter of the triangle to identify the miles that Peter rides, remember that the perimeter of an irregular triangle is:

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If you replace the formula, you obtain:

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