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To raise funds, a school sells two kinds of raffle tickets, Adults pay $6, children pay $1.50. Sales for both amounted to $900. If 375 tickets were sold, how many were childrens…
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To raise funds, a school sells two kinds of raffle tickets, Adults pay $6, children pay $1.50. Sales for both amounted to $900. If 375 tickets were sold, how many were childrens…
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Jun 16, 2018
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To raise funds, a school sells two kinds of raffle tickets, Adults pay $6, children pay $1.50. Sales for both amounted to $900. If 375 tickets were sold, how many were childrens' tickets?
Mathematics
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let the number of children's tickets is x and adult's tickets is y
x + y = 375, x = 375 - y ........(1)
1.5x + 6y = 900............(2)
1.5(375-y) + 6y = 900
562.5 - 1.5y + 6y = 900
4.5y = 337.5
y = 75
x = 300
Shenglih
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Jun 21, 2018
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