A cinema sells adult tickets and child tickets. The total cost of 3 adult tickets and 1 child ticket is €30. The total cost of 1 adult ticket and 3 child tickets is €22. Work out the cost of an adult ticket

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Geier asked Oct 13, 2022

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20 votes

A cinema sells adult tickets and child tickets.

The total cost of 3 adult tickets and 1 child ticket is €30.
The total cost of 1 adult ticket and 3 child tickets is €22.
Work out the cost of an adult ticket and the cost of a child ticket

Mathematics
high-school

Geier asked Oct 13, 2022

by Geier

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1 Answer

9 votes

Answer:

€13

Explanation:

Let A be adult and child be C

3A + 1C = €30 (equation 1 )

1A + 3C = €22 ( Equation 2 )

Equation 1 + equation 2

4A +4C = €52

1A + 1C = €52 ÷4

= €13

Naji answered Oct 19, 2022

by Naji

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