Question

plz find me this answer​

Answer 1

do this by unitary method

Answer 2

Step-by-step explanation:

let x be the no. of pure required pure alcohol

15% of 400ml should be added

15/100*400=

60ml

pure alcohol =(60+x)ml

new volume =(x+400)ml

strength Given 32%

hence =60+x/400+x=32/10.......

x = 100

100ml pure alcohol to be added

hope you understand