SOLUTION: A rectangular light-switch plate is made according to the following dimensions. The length is 7 inches, and the width is 5.5 inches; a rectangular hole measuring 1.2 inches by 0.3
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Question 152044: A rectangular light-switch plate is made according to the following dimensions. The length is 7 inches, and the width is 5.5 inches; a rectangular hole measuring 1.2 inches by 0.3 inches is left in the center. (See diagram below) (a) How many square inches in area is the light-switch plate (the shaded region)? (b) If the cost to construct the plate is $4.27 per square inch, what is the construction cost?
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
The area of the light swtich is the area of the plate minus the area of the hole
square inches
At 4.27 per square inch, the toal cost is
That's one expensive light switch.
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