Travis jogged 3 7/12 miles in the morning. in the afternoon he jogged 2 5/12 miles . how many fewer miles did travis jog in the afternoon then in the morning.

How to do this , and can some one explain

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Jared had 3/7 of the minutes on a family phone plan remaining for the month. the plan is shared by 2 people. if divided equally what portion of the minutes remaining on the phone plan would be avalible for each person