 
 <translate> Distance between Bob's house and Jamie's restaurant: 30 x 3 = 90 km
Rate of speed to get to Bob's house in an hour: 90 x 1 = 90 km/h
Rate of speed to get to Bob's house in half an hour: 90/2 = 45 km/h
The answer: (B). <hau> Nisa tsakanin gidan Bob da gidan abincin Jamie: 30 x 3 = 90 km Saurin gudu don zuwa gidan Bob a cikin awa daya: 90 x 1 = 90 km / h Saurin gudu don isa gidan Bob a cikin rabin sa'a: 90/2 = 45 km / h Amsar ita ce: (B). 