babygirlgemini076 babygirlgemini076

29-11-2018
Mathematics

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Ms. Smith has graded 30% of her 90 students science mineral rock projects. How many mineral rock projects does she have left to grade??

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lulueclark lulueclark

29-11-2018

Answer:

63

Step-by-step explanation:

Find 10% of 90 which is 9 then multiply by 3 to get 30%. You get 27 them you ssubtract that from 90

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