English, asked by kirankumarr748, 11 months ago

An operator takes 3.5 hours to prepare is files given he commit no error in any of the files. How long will he take to prepare 30 error free files. It he commits one error in each files. The additional time required to correct an error is "1" minute?
Options:
1)6 hours & 30 min
2)7 hours
3)7 hours & 30 min
4)8 hours

Answers

Answered by lokesh1695

0

Answer:

how many files he make in 3.5 hours

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