Math, asked by architayadav36, 11 months ago

the age of Anu and Harry are in the ratio 5 : 7 four years from now the ratio of their ages will be 3 : 4 . find their present ages

Anonymous: ( 5x +4)/ 7x +4. = 3/4

Anonymous: 20x + 16 = 21x + 12 = x = 4

Answers

Answered by za6715

Answer:

Let present age of Anu be 5x

then present age of harry be 7x

Accordingly..

5x+4/ 7x+4 = 3/4

Attachments:

architayadav36: how you get 47 and 34

za6715: U must have done any mistake in your question

za6715: Thank u

architayadav36: welcome

za6715: Did u get the right answer

Answered by aditya4762

Answer:

Let the age of anu=5x and harry =7x

After 4 years anu =5x+4 and harry=7x+4

present age of anu=3x and harry=4x

Now ,A/Q

5x+4/7x+4=3/4

20x+16=21x+12

20x-21x=12-16

-x=-4

x=4

present age = anu=3×4=12 yrs

harry=4×4=16yrs

architayadav36: hey any one age can be in minus

aditya4762: no

architayadav36: so your answer in minus

Anonymous: no....

architayadav36: what no

Anonymous: age can't be in -

architayadav36: yaa but he had correct his answer

Anonymous: ok....

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