Given:

Sol:
Area of picture is:

If the cost $10 per square inch then price of 15 square inch is:

If the quadruple of dimension that mean:

So area is:

So price is:
Answer:
variable
Step-by-step explanation:
A variable is a American, Latin, Greek etc letter used to represent an unknown.
Answer:
finish your exam please i am a supervisor
Step-by-step explanation: