Question #079a0

1 Answer
Martha W.
Jul 15, 2017

width#=190# yd
length#=260# yd

Explanation:

#P=900#
#P=2*#width #+2*# length
let: #x=# width
let: #x+70+# length
Substitute: #P=2x+2(x+70)#
Distribute: #900=4x+140#
Subtract #140# from both sides:
#760=4x#
Divide by 4: #x=190#
#x+70=260#

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