a) Has increased by 20%
b) Has increased by 12%
c) Has increased by 8%
d) Is exactly the same as the old area
Answer: b
Explanation: 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)
There is 12% increase in area of the garden.
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