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galben [10]
2 years ago
15

Can anyone please help

Mathematics
1 answer:
lilavasa [31]2 years ago
3 0

Answer:

Adult tickets = $73.5

Child tickets = $20.5

Step-by-step explanation:

{ \rm{3x + 5y = 50 -  -  -  \{eqn \: 1 \}}} \\ { \rm{x + 5y = 31 -  -  -  \{eqn \: 2 \}}} \\

• Subtract eqn 2 from eqn 1:

{ \rm{2x = 21}} \\ { \rm{x = 10.5}}

{ \rm{10.5 + 5y = 31}} \\ { \rm{5y = 20.5}} \\ { \rm{y = 4.1}}

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*First column to your left - ones column (1)
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