Question 678370
L=3/4W
2L+2W=210
2(3W/4)+2W=210
6W/4+2W=210
(6W+4*2M)/4=210
(6W+8W)/4=210
14W/4=210
14W=210*4
14W=840
W=840/14
W=60 ANS.
L=(3/4)60
L=45 ANS.
PROOF:
2*60+2*45=210
120+90=210
210=210