A train leaves Boston traveling east at 80 kilometers per hour. An hour later, another train leaves Boston on a parallel track at 120 km/hour. How far from Boston will the trains meet?
HURRY PLEASE

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =