Question

A bag contain only black and blue stone if the no. Of stone in the given order is in the ratio 3:7 then find the percentage of black and blue coloured stone in the bag

Answer 1

Answer:

ratio=3+7

=10

black stone=3/10×100

=30 black stones

blue stones=7/10×100

=70 blue stones

Answer 2

Answer:

ratio=3+7 =10

Step-by-step explanation:

=black stone =3/10×100

=30 black stone

=blue stone =7/10×100

=70 blue stone