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Charlie cannot remember how much he financed to buy his car. He does remember that his monthly payment is $300. His add-on interest rate was 15% for 30 payments. Find the amount of his loan to the nearest penny.

Also...

Solve the equation using the quadratic formula. Give only read number solutions. 3x(x+3)=-4

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Solution Summary

The solution shows how to calculate the original loan sum and then shows how to solve a quadratic equation

Solution Preview

Hello and thank you for posting your questions to Brainmass.

Let x be the original loan.
The total payments Charlie made are equivalent to 15% add-on to the original loan.

Thus, the total of the payments charlie made should be x + ...

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