Acandy store makes a 9-pound mixture of gummy candy, jellly beans and hard candy. the cost of gummy candy is $2.00 per pound, jelly beans cost $3.00 per pound and hard candy cost $3.00 per pound. the mixture calls for two times as many gummy candy pieces as jelly beans. the total cost of the mixture is $23.00, how much of each ingredient did the store use?