Using the formula for the n^th term of an arithmetic sequence, create the explicit formul, then solve for the 14th term, first term =28; common difference= 10

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.