Ratio Between two number is 4:7.If each is increased by 20,then the ratio becomes 7:9,find the numbers
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Heyyyy mate..
Here is your answer...
given, ratio between two numbers= 4:7
let the number=X
4x and 7x
4x/7x
according to question
increased 20
now, 4x+20/7x+20=7/9
9(4x+20)=7(7x+20)
36x+180=49x+140
36x-49x=140-180
-13x=-40
after solving this X= 40/13
hope it help you
Here is your answer...
given, ratio between two numbers= 4:7
let the number=X
4x and 7x
4x/7x
according to question
increased 20
now, 4x+20/7x+20=7/9
9(4x+20)=7(7x+20)
36x+180=49x+140
36x-49x=140-180
-13x=-40
after solving this X= 40/13
hope it help you
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