Can someone help me with both?

Don't know how to find x given these segment lengths

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Were only 64 seats. the remaining 6 students had to travel in a separate van. the equation 2b + 6 = 70 represents the given scenario. what does b represent? the number of buses the number of vans the number of students who rode on each bus the total number of students going to the football game