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Naya [18.7K]
3 years ago
10

30t+20c=<300 5t+10c=<110. Solve for t and c

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
6 0
30t + 20c =< 300
5t + 10c =< 110
10c =< 110-5t
30t + 220-10t =< 300
20t =< 80
t = 4
120c + 20c =< 300
20c = 180
c = 9
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UkoKoshka [18]

Answer:

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Number of children = x

Number of Adults = y

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x + y = 340..... Equation 1

x = 340 - y

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$1.25 × x + $2.25 × y =$ 677

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Let us substitute: 340 - y for x in Equation 2

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