Question

720ml mixture contains milk ans water in the ratio of 7:2. how much more water is to added to get a new muxyure containing milk and water in the ratio of 7:3.​

Answer 1

Step-by-step explanation:

you need to add 80 ml more to make it 7:3

Answer 2

let x be the common ratio

720=7x+2x

80=x

......

2x= 2(80)

=160

and

the ratio formed by adding more water is 7:3 (given)

therefore,

3(80)

=240

240-160

=80 ml