Mathematics, 17.07.2020 05:01 vanessa051266

a ski resort has 3 pricing options on his 20 $ for a ski lesson, or 60 $ for a lift pass, or 70 $ for both lift and lesson. 50 people bought exactly one of the options, and if 42 lift tickets were sold and 23 lessons, what is the mean/average amount they paid in dollars and cents am giving all my points need answer now

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a ski resort has 3 pricing options on his 20 $ for a ski lesson, or 60 $ for a lift pass, or 70 $ fo...

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