2/3 of what is equal to 18

(2/3 of = 18)

How to do this , and can some one explain

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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.