It takes 3 1/2 hours to travel 1/3 of the way across the united states on an airplane. how long will it take to travel across the entire united states on an airplane?

Shryia read a 481 -page-long book cover to cover in a single session, at a constant rate. after reading for 1.5 hours, she had 403 pages left to read. how fast was shryia reading? pages per hour how long did it take her to read the entire book? hours plz i realy need this

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Long division the problem is 40 ➗ 348 = ?