Question

when 35%of a number is added to another number , the second number increases by 20%. what is the ratio between the second number and the first number ?

Answer 1

Let the first number be x
let the second number be y


BTQ,
(35/100)*x + y =( 20/100)*y+y
==>(7x/20 ) + y = (y/5)+y
==>7x/20 = y/5
==>20y = 35x
==>4y = 7x

Therefore,
The ratio between X and Y is 4 : 7




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