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Plz help with all 4
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Plz help with all 4

Plz help with all 4-example-1
User Midas
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1. 641
2. 65.4
3. 21+7=28 total marbles. The greatest number of groups would be 7, with 1 blue and 3 white.
4. 80% of 685= .80 x 685= 548 students.
User Manmohan Pal
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