A、pArtiCulAr roCkEt CAr CAn trAvEl For sustAinED pErioDs At A mAximum spEED oF 240 milEs pEr hour. how mAny minutEs woulD it tAkE this roCkEt CAr to trAvEl 86 milEs
A、2.8
B、18 1/2
C、21 1/2
D、22
E、24