Mathematics

Mathematics, 28.08.2019 19:50, comaslaz21

Johnny has graded 20% of his 150 students papers how many papers does he still need to finish grading ?

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Mrs. bennett has graded 20% of her 150 students' papers. how many papers does she still need to finish grading?

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Mathematics, 28.09.2019 07:10, jljhenkel

Mrs. bennett has graded 20% of her 150 student's papers. how many papers does she still need to finish grading

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Mathematics, 30.09.2019 11:50, AliTop232

Mrs. cook and mrs. jones were both grading papers at a coffee shop, they then finish at home. mrs. cook graded 10 papers at the coffee shop and now grades 3 papers an hour at home. mrs jones graded 4 papers at the coffeee shop and now grades 5 papers an hour at home. in how many hours would the teachers be done grading the same amount of papers? write and solve a system of equations. show your steps

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