Answer:
(-12)
Step-by-step explanation:
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➷ Your answer is correct
Explanation:
If you plug in the n=1 into each of the variables, the equation will make sense.
4/5*1=4/5
4/5-3/5=1/5n
1/5*1=1/5
So:
4/5-3/5=1/5
This equation makes sense
✽
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TROLLER (don't worry i didn't troll you)
Answer:
y = $30x ;
1 : $30
Step-by-step explanation:
Given that :
$60 is saved in electricity bill for every 2 panels
Model, y
Amount saved, y = amount saved per panel * number of panels
Let number of panels = x
Hence, total amount saved, y ;
y = $30x
Ratio of panels to money saved :
Number of panels : amount of money saved
2 : $60
1 : $30
Hence, $30 is saved in cost of electricity bill per 1 solar panel purchased.