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OLga [1]
3 years ago
13

It took Marty 42 minutes to write a book report then he spend 18 minutes correcting his report explain how you use mental math t

o find how long Marty spend on his book report
Mathematics
2 answers:
kondaur [170]3 years ago
6 0
<h2>Answer:</h2>

The time Marty spend on his book report is:

                    60 minutes or 1 hour

<h2>Step-by-step explanation:</h2>

It took Marty 42 minutes to write a book report then he spend 18 minutes correcting his report.

This means that the total time i.e. the overall time he spends on his book is:

Time he spend on writing the book+ The time he spend on correcting his book report

Hence,

Total time= 42 minutes+18 minutes

i.e.

Total Time= 60 minutes

Also, we know that:

        1 hour= 60 minutes.

Hence, his total time is: 60 minutes or 1 hour.

OleMash [197]3 years ago
5 0
It took Marty 60 minute to finish the report mentally you add 42 plus 8 is 50 plus 10 (because 18 minus 8 is 18) then that equals 60
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