Answer: <u><em>A. 23</em></u>
23 - <em>Width</em>
23x2 = 46
46+3 = 49
So..
49 - <em>Length</em>
lx2+wx2 = <em>perimeter</em>
<em>49x2 = 98</em>
<em>23x2 = 46</em>
<em>98+46 = 144</em>
what is your clear question? it lacks some details