If a art galleries often price paintings by the square inch. if a painting measure 22.5 inches by 34 inches and cost 4.15 per square inch, what is the selling price for the painting ?

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step-by-step explanation:

you save $70

discount would be 35% off

step-by-step explanation:

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus