Write a linear inequality to model the situation below: Then solve for your unknown to determine how many cell phones the family can have:

A cell phone company charges $40 plus $15 per line each month. Jake must spend less than $115 on his family's cell phone bill each month. How many cell phones can his family have?

Respuesta :

Answer:

Family can have less than 5 cell phones

Step-by-step explanation:

Let

x-------> the number of cell phones

we know that

The inequality that represent this situation is

[tex]15x+40 < 115[/tex]

Solve for x

Subtract  40 both sides

[tex]15x< 115-40[/tex]

[tex]15x< 75[/tex]

Divide by 15 both sides  

[tex]x< 75/15[/tex]

[tex]x< 5\ cell[/tex]

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