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Evgen [1.6K]
4 years ago
9

Mike completed an online course that contained 20 core topics in a total of

Mathematics
1 answer:
romanna [79]4 years ago
8 0

Answer:

6 hours

Step-by-step explanation:

What you have to do is find the unit rate, which would be 20/40 which is .5 ( half an hour, 30 mins ) . Then you would do 30 x 12 = 360 ( 6 hours ).

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