Answer:
y = 2016 - 112x
Explanation:
because he is paying 112 dollars each month for 18 months
y= 2016 -112x
for instance, he paid it for 6 months we would say
y = 2016 - 112(6)
y = 2016 - 672
y = 1334
so, y = 2016 - 112x
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