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Step2247 [10]
3 years ago
5

Two rectangular picture frames have the same area of 45 square inches but have different side lengths. Frame A has a length of 6

3/4 inches, and Frame B has a length of 7 1/2 inches.
Without calculating, predict which frame has the shorter width. Explain your reasoning.


Find the width that you predicted to be shorter.
Mathematics
1 answer:
n200080 [17]3 years ago
7 0

Answer:

B, 6 inches

Step-by-step explanation:

The formula for area is width * height. If the area is the same in both times, increasing height means you must be decreasing width. B has a taller height so must have a shorter width.

7 and 1/2 = 15/2

45 / (15 / 2) = 45 * 2 / 15 = 6 inches

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