A rectangular room is three times as long as it is wide, and its perimeter is 56 meters. whats the length?

Question

asked Nov 15, 2017 188k views

1 Answer

Vlad Feinstein · Answer 1 · 2017-11-19T10:05:17+0000

W=3/4L
P=2L=2W
70=2L+2(3/4L)
70=2L+6L/4
70=2L+1.5L
70=3.5L
L=70/3.5
L=20 FT. ANS. FOR THE LENGTH.
W=4/4*20=15 ANS. FOR THE WIDTH

i think.