Help on 9 and 10 this is due tonight please help

Me with this one question, and i'll upvote the brainliest answer

If you could answer these your a life saver

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.