A trainee in a computer company takes 0.8 times as long to assemble each computer as he took to assemble the preceding computer. If it took him 40 minutes to assemble the first computer, find how long it takes him to assemble the seventh computer. Find the total time he takes to assemble the first seven computers.It takes _______ minutes to assemble the seventh computer. The total time to assemble the first seven computers is _______ minutes.