balance of loan = .8(19000) = 15200
monthly rate = i = .068/12
n = 12(4) = 48
payment --- p
solve for p,
p(1 - (1+i)^-48 )/i = 15200
anthony has decided to purchase a $19000 car. he plans to put 20% down toward the purchase and to finance the rest at a 6.8% interest rate for 4 years. find the monthly payment
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