It might be y=4x but then that would mean something else on the table is wrong
Answer:
6
Step-by-step explanation:
-X+11=-2X-7
11=3X-7
18=3X
18/3= 6
To calculate it, first order your data points from least to greatest, then determine your first and third quartile positions by using the formulas (N+1)/4 and 3*(N+1)/4 respectively, where N is the number of points in the data set.
after you do that then say IQ=Q3-Q1
Choice A is the lowest price