<h2><u>ANSWER</u></h2><h3>UX+RX=W</h3><h3>LETS TAKE X COMMON</h3><h3>X(U+R)=W</h3><h3>X=W/(U+R)</h3>

Answer:
the answer is 45 . so circle 4
step 1
magsagot ka nang magsagot ng mga question yun lang basta maganda yung sagot mo
3 as in 3 layers of skin is that what you were talking about hope this helps plus the 1 layers is epidermous 2 is dermis and 3rd is tissue