5. Briliana has taken out a loan for $16000 to buy a car. She plans to pay back the loan at a rate of $500 per month. LaShay has borrowed $500 to buy a car, which she plans to pay back at a rate of $20 per month.Knowing it'll take Briliana 16 months to reach $8000, how long will it take Briliana to reach $16000?