PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE EEEEEESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS Trent told his friends it would take him 90 minutes to mow the lawn. It only took him 75 minutes. What is his percent error?
2 answers:
Answer:
His percent error is 16.6 %
Step-by-step explanation:
Trent estimated hie time to be 90m
Actual time was 75m
Error was 90m - 75m = 15m
Fractional error was then 15m/90m (divide)
So % error is 15/90 times 100 = (100/6)% = 16.6%
His per cent error is 16.¯^6%
Explanation:
Trent estimated his time to be 90m but the Actual time was 75m
Error was 90m−^75m=15m
A Fractional error was then 15m90m
So % error is 1590 ×100=1006%=16.¯^6%
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