 
 <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). <ibo> Ebe dị n'agbata ụlọ Bob na ụlọ oriri Jamie: 30 x 3 = 90 km Ọ̀tụ̀tụ̀ ọsọ iji ruo n'ụlọ Bob n'otu awa: 90 x 1 = 90 km/hour Ọnụego ọsọ iji ruo n'ụlọ Bob n'ime ọkara awa: 90/2 = 45 km/h Azịza ya bụ: (B). 