For traffic that flows on a highway, the headway is the average time between vehicles. on four-lane highways, the probability p (as a decimal) that the headway is at least t seconds when there are 500 vehicles per hour traveling one way is given by p = 0.87t. under these circumstances, what is the probability that the headway is at least 15 seconds?

Bonnie and bobby are saving money for a vacation. each friend starts with an amount and also saves a specific amount each week. bonnie created a table to show the total she has saved at the end of each week.. weeks 0 1 2 3 4 5 6 7 8 amount saved 12 16 20 24 28 32 36 40 44 bobby came up with the following equation to show the total, y, he has saved at the end of each week, x. y = 12x + 4 compare the rate at which each friend saves money. select the correct answer from the drop-down menu to complete the statement. the rate at which bobby is adding to his savings each week is $ more than the rate at which bonnie is adding to her savings each week.