SOLUTION: A local scout group has organized two social events to raise funds for a well in Tanzania. During the first night, 25 children and 20 adults attended and the revenue for that eve

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Question 1195949: A local scout group has organized two social events to raise funds for a
well in Tanzania. During the first night, 25 children and 20 adults attended and the
revenue for that evening was £150.00. On the second night, there were 30 children
and 22 adults, with revenues of £170.00. How much did each adult pay to attend this
social event, assuming the ticket prices were the same for both events?
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
y price for adult
x price for child

system%2825x%2B20y=150%2C30x%2B22y=170%29

Simplify and do what you need to or what the assignment requires.

Try this way unless you see another way:
system%285x%2B4y=30%2C15x%2B11y=85%29
and maybe multiply the first of these equations by 3, ....