Mrs. Carter owns a shop specializing in obscure blends of tea. She has combined 1 pound of Darjeeling with 3 pounds of Earl Grey, for a 4-pound mixture that is 25% Darjeeling. After tasting it, she decided to change the mixture to 50% Darjeeling. How much Darjeeling does she need to add to bring it up to the 50%?

What’s 8y+48 and factor each expression completely

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)