Mathematics · Percentage

If the length of a rectangle is increased by 40%, by what percentage should the breadth be reduced to ensure that the area remains unchanged (rounded to two decimal places)?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

128.57%✓
230.51%
322.22%
420.50%

Correct answer

28.57%

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If the length of a rectangle is increased by 40%, by what percentage should the breadth be reduced to ensure that the area remains unchanged (rounded to two decimal places)?

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If the length of a rectangle is increased by 40%, by what percentage should the breadth be reduced to ensure that the area remains unchanged (rounded to two decimal places)?

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