Ratios

If I mix 200 mL of cordial with 700 mL of water, what is the ratio of cordial to water?

If I make this ribbon out of blue and white pieces of ribbon, what is the ratio of blue ribbon to the total length of the ribbon?

A bag of chocolate contains 13 milk chocolates and 9 dark chocolate. What is the

fraction of milk chocolates of the total number?

The ratio of boys to girls in a family is 1 : 3. What fraction of the children are

boys?

If I have dogs and cats as pets and three fifths of my pets are dogs, what is the

ratio of dogs to cats?