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Answer 1 · 2017-10-14T20:58:22

width #=175/26~~6.73#
length #=140/13~~10.77#

let #w# be the width

let #l# be the length

#1.6w=l#
#2(l+w)=35#

#=>2(1.6w+w)=35#

#=>2(2.6w)=35#

#=>5.2w=35#

#=>w=35/5.2=350/52=175/26~~6.73#

#=>1.6*35/5.2=l#

#=>l=1.6*35/5.2=16*35/52=140/13~~10.77#