Angela's coin purse there are quarters,dimes and pennies. There is a total of 1 9 coins with the value of $ 1 . 9 3 . The coins weigh a total of 6 2 . 3 grams. Given that a penny weighs 2 . 5 grams, a dime weighs approximately 2 . 3 gram and a quarter weighs approximately 5 . 7 grams how many coins of each type does she have