A passenger train left the station and traveled toward the repair yards at an average speed of 29.2 km/hr. A cattle train left 2.4 hours later and traveled in the
same direction but with an average speed of 36.5 km/hr. How long did the
passenger train travel before the cattle train caught up?

please explain well <<<33

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%