If 2 1/5 of a number is 5. what is the number

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y > 2x + 3y is less than negative 3 over 2 times x minus 4part 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 (â’4, 6) included in the solution area for the system? justify your answer mathematically. (4 points)