Can someone please show me the steps to solving the problem below?

Question 16 2 pts A certain computer has 4-byte registers, a 1-byte address bus, and a 7-byte data bus. It requires 5 clock cycles to read data. If we wish to be able to transfer 84.5 MB of data across this bus in under 336 ms, what must the minimum bus clock frequency be (in MHz to one decimal place)