A company used two vans to transport workers from free parking lot to the workplace between 7:00 and 9:00am one van has 9 more seats than the other the smaller van makes two trips every morning while the larger one make one one trip the two vans can transport 69 people maximum

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.