The 9 students in the Environmental Club represent 20% of the students in the seventh grade. How many students are in the seventh grade? Multiply/scale up to solve. students 9, 20, 100 percent

Need this asap if anyone can i would be very grateful. if you could show workings that would really

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2