Answer:18
Step-by-step explanation:
Answer:
= 
Step-by-step explanation:
given 5y = 3x ( divide both sides by 3 )
y = x ( divide both sides by y )
=
Answer:
The amount of carpet needed in Room Z should be the same as the carpet needed in both Room X and Room Y.
Step-by-step explanatio
Answer: 30
Step-by-step explanation:
Let w be the width of the deck. Then, using the total area, we get:
(9+2w)(18+2w)=400
4w²+54w-238=0
2w²+27w-119=0
(2w-7)(w+17)=0
w=-17 or 7/2
Using the positive value, we get a width of 3&1/2 ft. for the deck
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