math

Suppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost
$40
and same-day tickets cost
$20
. For one performance, there were
55
tickets sold in all, and the total amount paid for them was
$1800
. How many tickets of each type were sold?

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  1. number of advance --- x
    number of same day --- y

    x+y = 55
    y = 55-x

    40x + 20y = 1800
    40x + 20(55-x) = 1800

    continue

    strange price for tickets, usually at the door they are more expensive

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    2. 👎 1

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