I got the answer to the 2nd question as the 46th caller, can you explain how you got the 45th caller Muffins?

1.the average cost of a 1990 car depreciates linearly, so that in 1993, the average cost of the car was $14,500 and in 1995 the average cost of the car was $12,700. Let y represent the year and c represent the aerage cost of the car in a linear function. Determine the anticipated cost of the sports car in 1996.


2. A local radio station is holding a contest to give away cash. THe announcer makes a telephone call, and if the person who answers guesses the correct amount of money to be given away, he or she wins the money. If the person misses, $20 is added to the jackpot. At the beginning of the 5th call, the jackpot was $240. On what call could the winner receive $1060

Thank you that helped alot.

Two candles of the same height are lit at the same time. the first is consumed in 4 hours and the second in 3 hours. Assuming that each candle burns at a constant rate, in how many hours after being lit was the first candle twice the height of the second?