Grandpa has twenty-four coins in his pocket. grandpa gives sam some clues about the total value of the coins in his pocket :

one-sixth of the coins aré quarters
one- half of the coins aré dimes

grandpa has the equal amount of nickels and pennies grandpa says sam can have all the coins he has in his pocket if he discovers the correct total value of the coins. what is the total value of the coins in grandpas pocket that sam should discover? show all your mathematical thinking