A grocer wants to mix two kinds of nuts. One kind sells for $1.10 per pound, and the other sells for $2.40 per pound. He wants to mix a total of 30 pounds and sell it for $2.15 per pound. How many pounds of each kind should he use in the new mix? (Round off the answers to the nearest hundredth.)

Samantha is growing a garden in her back yard. she spend $90 setting up the garden bed and buying the proper garden supplies. in addition, each seed she plants cost $0.25. a. write the function f(x) that represents samantha's total cost on her garden. b. explain what x represents. c. explain what f(x) represents. d. if samantha plants 55 seeds, how much did she spend in total?