John wants to buy a new bike that costs $337 and he already has saved $ 103. estimate to find about how much more john needs to save to buy the bike.

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.