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]