Asked by Tiffany

May takes 12 hours to type a report. Her friend helps her and together they finish the job in 4 hours. How long would it take her friend had she worked alone?
Representation:
Equation:
Solution:
Conclusion:
Answered by Steve
1/12 + 1/x = 1/4
x = 6

so, 6 hours for the friend.
Answered by math
What is the solution set of this inequality: x – 1 < 10? *
x>11
x<1
Option 5
x<11
x>10
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