Question: Suppose a given optimization to the ALU speeds up execution for the system as a whole by a factor of 1.75. After optimization, ALU operations

Suppose a given optimization to the ALU speeds up execution for

Suppose a given optimization to the ALU speeds up execution for the system as a whole by a factor of 1.75. After optimization, ALU operations take up 1/6 of the total execution time. What fraction of execution time BEFORE OPTIMIZATION was taken up by ALU operations? What was the speedup factor to ALU operations due to the optimization

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