Answer:
the median is 73 because 73 is the middle number
If you have pick it, then you should be offered choices and you should include them in the question.
The answer is 3.09
<em>1 Cancel m.</em>
12i=c*m/s
<em>2 Use rule a*b/c = ab/c</em>
12i=cm/s
<em>3 Multiply both sides by s.</em>
12is=cm
<em>4 Divide both sides by 12.</em>
is=cm/12
<em>5 Divide both sides by i</em>
s=cm/12/i
<em>6 Simplify cm/12/i</em>
s=sm/12i

The answer is the third option, -7.
Hope this helps.