How much would 5 metres of ribbon cost?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.