Answer:
in order so the line can pass through those point the equation has to be:
Y=6/3x+0
If it’s by week then groovin and movin,but if it’s months tip toes
The base and height scaled to some factor, simply means,
they're blown up by that much, or multiplied by that much,
in this case is 3, so.. the area would be 1/2 bh, now,
with 3b and 3h, what would it be?

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Area of TV screen = 15 x 20 = 300 square feet
Cost of TV screen cover = 25 cents per square foot
Cost to cover TV screen = 0.25 x 300 = $75
With my calculations I got 0.12 per pound.