Mathematics, 05.09.2019 03:10 Brainlyisuseful

the movie theater took in $1,220 one monday night. the number of $7 child tickets was 10 more than twice the number of $9 adult tickets. how many of each were sold?

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the movie theater took in $1,220 one monday night. the number of $7 child tickets was 10 more than t...