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A plane ticket cost see dollars for an adult and K dollars for a child find an expression that represents the total cost for three adults and nine children

A plane ticket cost see dollars for an adult and K dollars for a child find an expression that represents the total cost for three adults and nine children class=

Respuesta :

If one adult ticket costs [tex] c [/tex], then three adult tickets cost [tex] 3c [/tex]

Similarly, if one child ticket costs [tex] k [/tex], then nine child tickets cost [tex] 9k [/tex]

So, in total, the price will be

[tex] 3c+9k [/tex]

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