Which of the answer choices is the correct numerical expression for the situation given below? 10 is multiplied by the sum of 3 and 2. the product is divided by 2, and then 5 is added.

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.