# The machine

The machine was in operation for 9 tenths (in a fraction) of eight hours of working time. How long has he been running?

**Result****Showing 2 comments:**

**Math student**

The quantity of six times 3 1/2 over 2

??

Convert 3 ½ into improper fraction.

3 ½ → 7/2

Convert into Multiplication Process

Lowest Term

= 10 ½

Final Answer: 10 ½

??

Convert 3 ½ into improper fraction.

3 ½ → 7/2

Convert into Multiplication Process

Lowest Term

= 10 ½

Final Answer: 10 ½

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