What is the ratio of nickels to quarters

Question

You have coins in a pouch. The ratio of nickels to dimes is 2:5. The ratio of dimes to quarters is 3:4.

Answer 1

Rita Sterling bought a computer system for $1800. Five years later she sold the computer for $300. Find the ratio of the amount she received for the computer to the cost of the computer

Answer 2

There are 17 occupied seats on the bus 11 seat are empty. What is the ratio of number of occupied seats to empty seats