Question

Mr.Davids salary was increased by 20% and then in another quater it was again increased by 40% the original salary gets increased by

Answer 1

Answer:

68%

Step-by-step explanation:let his salary be 100

20%of100+100=120

40% of 120+120= 168

so his salary was incresed by 68%

Answer 2

The original salary gets increased by 68%

Step-by-step explanation:

Let the original salary be x

Mr.Davids salary was increased by 20%

So, New salary =$x+20\%x=x+\frac{20}{100}x = x+0.2x=1.2x$

It was again increased by 40% again

So, New salary =$1.2x+40\%(1.2x)=1.2x+0.4(1.2x)=1.68x$

Change in salary =$1.68x-x=0.68x$

The original salary gets increased by =$\frac{0.68x}{x} \times 100=68\%$

Hence  the original salary gets increased by 68%

#Learn more:

The salary was increased by 10% & then the increased salary decreased by 10%. Find the net increase or decrease in original salary

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