Number 8 and 9 please

Can someone check my answer? you : )

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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.