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A telephone call costs c cents for the first 3 minutes and m cents for each additional minute. Which expression represents the cost, in cents, of a 6-minute call?

Respuesta :

Answer: [tex]c+3m[/tex]

Step-by-step explanation:

Given

A telephone call costs c cents for first 3 minutes and m cents for each additional minute.

Any call beyond 3 minutes costs

[tex]\Rightarrow c+mt[/tex]

where t is the minutes spent beyond 3 minutes

For 6 minutes , t is 3

thus, it can be written

[tex]\Rightarrow c+3m[/tex]

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