The height of a television screen is 75% of its width. The screen is 20 inches wide.What is the area of the television screen?By percent, how does this area compare to the area of a 20-inch by 20-inch screen?The area of the television screen is square inches.This area is % of the area of a 20-inch by 20-inch screen.
Question
Answer:
width = 20 inchesheight = 75% x 20 = [tex] \frac{75}{100} [/tex] x 20= 15 inches
Area = height x width - 20 x 15 = 300 square inches
Area of 20 by 20 = 400 square inches
Difference = 400 - 300 = 100
Percentage = [tex] \frac{100}{400} [/tex] x 100% = 25%
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10 months ago
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