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anonymous

  • 5 years ago

Adult tickets for a play cost 25$ each and children's cost 15$ each. The total receits were 7200$ and the total attendence was 400. How many adults and how many children attended?

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  1. anonymous
    • 5 years ago
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    a + c = 400 25a+ 15c = 7200

  2. anonymous
    • 5 years ago
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    solve system by substitution or elimination...are you familiar with how to do that?

  3. anonymous
    • 5 years ago
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    a=400-c 25(400-c)+15c = 7200 10000-25c+15c=7200 10000-10c=7200 -10c=-2800 c=280 a=400-280=120

  4. anonymous
    • 5 years ago
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    check 120+280=400 25(120)+15(280)=7200 3000+4200=7200 7200=7200

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