$20\%$ divde instrastions. All non$-$divide instruction take two cycle. All divide instruction take $50$ cycles.

$($C$)$ A

Program has

$($A$)$ what is CPI of this program of Hris Process?

$($B$)$ what percentage of time is spent just doing divides?

$(0)$ what would divide by $10$x$?$ the x peedup be if we speedup