mstephens0819 mstephens0819

22-01-2019
Mathematics

contestada

I need help please! (15 points)

I need help please 15 points class=

Respuesta :

elena000 elena000

22-01-2019

ANSWER:
length=37
width=19

HOW TO DO IT:
perimeter = 2(l+w)
110=2(l+w)
l=2w+1
now plug that into the equation (substitution)

110=2((2w+1)+w)
110=2(3w+1)
110=6w+2
now solve for w
108=6w
w=18

now plug w into the equation again to solve for l

110=2(l+18)
110=2l+36
74=2l
l=37

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