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anastassius [24]
3 years ago
15

The length or a rectangular floor is 5 feet less than twice it’s it’s width. The area of the floor is 150 square feet. What is t

he width or the room?
Mathematics
1 answer:
Lapatulllka [165]3 years ago
5 0
<span>L=2W-5
LW=150
(2W+5)W=150
2W^2+5W-150=0
(2W-15)(W+10)=0
2W-15=0                </span>2W=15<span>W=7.5 ANS. FOR THE WIDTH.
L=2*7.5+5
L=15+5
L=20 ANS. FOR THE LENGTH.

20*7.5=150
</span><span>150=150</span> 
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