Answer:
$532 for both rooms.
208 for dining room. 324 for living room.
Step-by-step explanation:
Find out how much square foot is in both rooms by multiplying length and width. then multiply each rooms square foot .by 2. then add up the two.
Use proportionals to find y.

Answer:y=12
4983/<span>100
49 and 83/100 feet^2
hope I helped!
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~ Zoe</span>
Answer:
$80 billion, $480 billion
Step-by-step explanation:
E2020
Let

be the amount of time it takes to perform an arm routine and

be the amount of time it takes to perform an abdominal routine. We see:


Subtracting the second equation from the first gives

. Substituting gives

, so

and

.
Thus, an arm routine takes ten minutes and an abdominal routine takes thirty minutes.