A75% increase followed by a 33 1/2% decrease

After 75% increase followed by a 33 1/2% decrease the net increased is 16.375%.

Solution:

Need to determine net percentage increase or decrease when a value is increased by 75% and then decreased by that is 33.5%.

Let’s assume initial value be represented by variable x.

Now there is decrease of 33.5%

Hence after 75% increase followed by a decrease the net increased is 16.375%.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

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