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IrinaVladis [17]
3 years ago
9

For a Saturday matinee, adult tickets cost $7.50 and kids under 12 pay

Mathematics
1 answer:
ella [17]3 years ago
4 0
<span>               let x = # of adult tickets sold,  thus the # of children tickets =    70-x</span> <span>                     7.5x + 5(70-x) =   450</span> <span>     ^     7.5x + 350 -5x =   450</span> <span>       ^      2.5x =  450-350= 100</span> <span>                           x = 40 adults tickets        thus 70—40 = 30 children tickets</span>                       



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