The length of a rectangle is increased by 25% while breadth is diminished by 30%. What is the impact on area
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Answer:area=8×area/9
Step-by-step explanation:lenght=4l + 25l/100
= 4l/4+l/4
Breadth=b - 30b/100
=10b/10-b/10
Area=lenght×breadth
=4l/4+l/4 × 10b/10-b/10
=5l×9b/40
=45lb/40
=9lb/8 = area×8/9
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