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2 votes
Help for number 12 pls

Help for number 12 pls-example-1

2 Answers

2 votes
Set up an equation of 22-12 to get 10 questions left.

Then remember that for one question he needs one minute so for 10 questions he needs 10 minutes.
User Christian Specht
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5 votes
10 minutes left of homework
User Cordel
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