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Pre-Algebra 7 Online
OpenStudy (jacob902):

Math

OpenStudy (jacob902):

OpenStudy (anonymous):

The answer is C. 10*20=200+1000=1200 20*20=400+1000=1400 30*20=600+1000=1600 40*20=800+1000=1800 50*20=1000+1000=2000

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