 <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). <yor> Ìlàjì tó wà láàárín ilé Bob àti ilé oúnjẹ Jamie: 30 x 3 = 90 km Ìtójúsọ́nà láti dé ilé Bob ní wákàtí kan: 90 x 1 = 90 km/h Ìsọ̀njú tó lè mú wa dé ilé Bob ní ìdajì wákàtí: 90/2 = 45 km/h Ìdáhùn: (B). 