A gardener increased the rectangular garden by increasing its length by 40% and decreasing its width by 20%. The area of the new garden:

  • 1has increased by 20%.
  • 2has increased by 12%.
  • 3has increased by 8%.
  • 4is exactly the same as the old area.
Answer:- 1
Explanation:-

Solution:
Let original area of the garden was 100 square unit.
Increase or decrease in area can be easily determined by this graphic:

100==40% up length==> 140 == 20% down width ==>112 (Final Area)

So, there is 12% increase in area of the garden.

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