In 1971, the cost of a four-year college degree from a public university was about $1,410. The consumer price index was 40.48 in January 1971. If the current consumer price index is 251.1, what is the approximate cost of the four-year degree in current dollars?

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.