·a large mixing tank currently contains 100 gallons of water into which 5 pounds of sugar have been
mixed. a tap will open pouring 10 gallons per minute of water into the tank at the same time sugar is
poured into the tank at a rate of 1 pound per minute. find the concentration (pounds per gallon) of sugar
in the tank after 12 minutes. is that a greater concentration than at the beginning?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)