Solve the polynomial equation = 3

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Can you me find the missing length. i attached an image.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"