Aaron bought 6 books and 2 notebooks for $46.86. erin bought 2 books and 6 notebooks for $27.78. how much does one book cost

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.