The cost of apples at a grocery store is directly proportional to the number of apples purchased. Ann paid $4.72 for 8 apples. If c represents the cost, in dollars, and n represents the number of apples purchased, which equation best represents this relationship?

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.