i meant a 3.25
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18
Safe man hours is the number of hours worked minus the number of hours lost due to unsafe work or lost work due to an incident. This should get you the answer to total safe man hours.
-21
That's a total of 60 hours.
The total number of students in the class is 18 boys + 7 girls = 25 students. The fraction of the class that are girls is calculated by taking the number of girls (7) and dividing it by the total number of students (25), resulting in 7/25. Therefore, the fraction of the class that are girls is 7/25.