Question

There are 27 red and 13 blue coloured balls in a bag. The ratio of the weight of one red ball to the weight of one blue ball is 9:4. The total weight of all the balls is 65 kg. Find the percentage of the weight of blue balls in the bag (correct to 2 decimal place).​

Answer 1

Answer:

Answer:

red balls=27

blue balls=13

ratio of weight of red by blue=9:4

9x+4x=65

13x=65

x=5

weight of red balls=65 kg

weight of blue balls =20kg

%of weight of blue ball =20/65*100

=30.7692307692307