Question

A house owner makes an increase of 15% in rent. After some time makes a decrease of 10%.Find the percent increase in the original rent.​

Answer 1

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HERE'S YOUR ANSWER

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GIVEN:

A HOUSEKEEPER MAKES AN INCREASE IN RENT OF =15%

MAKES A DECREASE IN RENT OF(AFTER SOME TIMES)=10%

FIND:

THE PERCENTAGE INCREASE IN THE ORIGINAL RENT

$\huge\black{SOLUTION}$

LET THE ORIGINAL RENT BE X

INCREASE IN X=X+15%

DECREASE INX=X-10%

15%+x=10%-x

x+x =10%-15%

2x =5%

x =5%/100

x =0.05

x=0.05/2

x=0.025+0.15(15%)-0.1(10%)

x=0.175-0.1

x=0.075

0.075=3.5$\fbox{ANSWER}$

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