Question 159385
how much would a water bill be per month if
n = 5000c - 15300/4 
solve for c
and n = 1800 gallons of quantity 
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n = 5000c - 3825
5000c = n + 3825
c = (n+3825)/5000
c = (1800+3825)/5000
c = 1.125
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Cheers,
Stan H.