Calculate the overall speedup of a system that spends 40% of its time waiting on I/O disk service with a disk upgrade that provides for 150% greater throughput. Express the speed up as a percentage (rounded up to no digits after the decimal point).

Your friend kayla is starting her own business and asks you whether she should set it up as a p2p network or as a client-server network. list three questions you might ask to kayla decide which network to use and how her answers to those questions would affect your recommendation.