Answer:
or
Step-by-step explanation:
The given equation is
Let us treat this as a quadratic equation in .
where
The solution is given by the quadratic formula;
We substitute these values into the formula to obtain;
or
or
or
or
You can identify the slope and y-intersept. The slope is 50 and the y-intercept is (0, 1200). You could also do the x-intercept, which would be the number of months passed when he pays off the debt fully. The x intercept would be (24,0)
10, 000, 000 = ten million
40, 000 ,000 is the answer for the nearest ten million