The equation of the remaining chocolates is required.
The required equation is [tex]C(t)=-3t+18[/tex]
The rate at which chocolates are eaten is 3 per night.
After two nights the number of remaining chocolates were 12.
So, the ordered pair is [tex](2,12)[/tex]
t = the number of days
c = Number of chocolates in the box initially.
The equation will be
[tex]C(2)=-3t+c\\\Rightarrow 12=-3\times 2+c\\\Rightarrow c=12+6\\\Rightarrow c=18[/tex]
Total number of chocolates in the boxes is 18.
The required equation is [tex]C(t)=-3t+18[/tex]
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