Four identical pens cost N dollars. How many would K pens cost?

Step-by-step explanation:

Given

Cost of 4 pens = $N

Required

Determine the cost of K pens

First, we need to determine the cost of 1 pen

Divide through by 4

Multiply through by k to determine the cost of k pen

x -

median = 1.25

range = 12-14.5

interquartile = q12-q14.5

y -

median = 1

range = 15-17

interquartile = q15-q17