A candy store makes a 8-lb mixture of gummy fish, candy hearts, and gumdrops. The cost of gummy fish is $1.50 per pound, candy hearts cost $1.00 per pound, and gumdrops cost $1.00 per pound. The mixture calls
for three times as many gummy fish as candy hearts. The total cost of the mixture is $9.50. How much of
each ingredient did the store use?