Gavin loves biking. He wants to set a new score by riding 65 miles in four days. Each day he wants to ride 1.5 times as far as t
he day before. X is how much he rode the first day, tomorrow he will ride X times 1.5 miles. How far should he ride each day of four days to reach his goal? Write an expression representing the total distance he should bike over four days, do not combine alike terms.
