Aplane flew from sky city airport to the plainsvillr airport at 800 km/h. the return trip took 30 minutes less than the flight to plainsville. how far apart are the airports and how long did the trip to plainsville take?

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

d is the answer

step-by-step explanation: