please help me! this is an algebra 1 word problem that I can't understand!
At a candy store, Erika bought 3 kilograms of cinnamon red hots and 1 kilograms of for gummy bears for $21.00. meanwhile, Irene bought 3 kilograms of cinnamon red hots and 3 kilograms of gummy bears for $39.00. what is the cost of one kilogram of each type of candy?
Red hots cost:
Gummy bears cost: