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The outside of the rectangular box represented in the figure above is to be decorated by attaching pieces of wrapping paper to cover all surfaces except the bottom of the box. What is the minimum number of square inches of wrapping paper needed?
A. 375
B. 600
C. 725
D. 800
E. 1250
OA B
The outside of the rectangular box represented in the figure
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- ceilidh.erickson
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If we want the minimum amount of wrapping paper, we want to know the SURFACE AREA of all surface except the bottom surface. Calculate each:
Top surface area = 25 x 10 = 250
2 sides of 5 x 10 = 2(5*10) = 100
2 sides of 5 x 25 = 2(5*25) = 250
250 + 100 + 250 = 600
The answer is B.
Top surface area = 25 x 10 = 250
2 sides of 5 x 10 = 2(5*10) = 100
2 sides of 5 x 25 = 2(5*25) = 250
250 + 100 + 250 = 600
The answer is B.
Ceilidh Erickson
EdM in Mind, Brain, and Education
Harvard Graduate School of Education
EdM in Mind, Brain, and Education
Harvard Graduate School of Education
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- Scott@TargetTestPrep
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AAPL wrote:GMAT Prep
The outside of the rectangular box represented in the figure above is to be decorated by attaching pieces of wrapping paper to cover all surfaces except the bottom of the box. What is the minimum number of square inches of wrapping paper needed?
A. 375
B. 600
C. 725
D. 800
E. 1250
OA B
The top face has an area of 25 x 10 = 250 sq. in.
The front and back faces have a total area of (25 x 5) x 2 = 250 sq. in.
The right and left faces have a total area of (10 x 5) x 2 = 100 sq. in.
Therefore, we need 250 + 250 + 100 = 600 sq. in. of wrapping paper.
Answer: B
Scott Woodbury-Stewart
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