Children tickets

A ticket to the museum for children costs 10 SKK for adults and 20 SKK. 50 people came to the museum and paid 700 SKK. How many children were there?

Correct answer:

x =  30

Step-by-step explanation:


x+y=50
10x+20y=700

x+y=50
10•x+20•y=700

x+y = 50
10x+20y = 700

x = 30
y = 20

Our linear equations calculator calculates it.



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