Final answer:
To calculate the total loan amount needed, subtract the down payment from the purchase price and add taxes. For a $5,000 purchase with a $500 down payment and $340 in taxes, you'll need a loan of $4,840. Simple interest and loan payments can be calculated with basic mathematical formulas.
Step-by-step explanation:
To calculate the total amount needed for a loan after considering a down payment and taxes, we start with the initial amount you want to spend, which is $5,000. Subtract the down payment of $500, and we're left with $4,500. Adding the taxes estimated at $340 to the remaining amount gives us a total of $4,840 that would be needed for the loan. This example facilitates an understanding of basic loan calculations.
Simple interest can be calculated by using the formula Total interest = Principal x Rate x Time. For a $5,000 loan over three years at a 6% interest rate, you'd have: Total interest = $5,000 x 0.06 x 3, which equals $900. If you receive $500 from a $10,000 loan over five years, to find the annual interest rate, you calculate Rate = Interest / (Principal x Time), resulting in an interest rate of 1%.