Answer:
P= 2(l+w)
50=2(10+w)
50=20+2w
50-20=2w
30=2w
w=15
To take a root of a faction take the rootof the numerator and denominator separtly 2x over(divided by) square root with 3y in it then youranswer should be 2x square root with 3y in it over 3y
