Respuesta :

So their are 60 min in an hour. you multiply 60 min times 6 (hours). you get 360 min. Then you divide that by 90 min and you get 4
Answer it orbits 4 times
hope that helps

the space shuttle would orbit the Earth 6 times 90 mins=1.5 hours + .30 mintues = 2 hours, 2*3 equals 6