Allan and Carlo play in the same football team. Last Saturday Carlo scored 4 more goals than Allan, but together they scored less than 10 goals. What possible number of goals Carlo scored?

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.