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t takes one person 2 hours to grade 1 exam and it takes another 4 hours to grade 1 exam. If both work together, how many exams they can grades in 8 hours
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t takes one person 2 hours to grade 1 exam and it takes another 4 hours to grade 1 exam. If both work together, how many exams they can grades in 8 hours

User Brent Anderson
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1 Answer

5 votes

Answer:

4

Explanation:

2×4 equals 8 4 papers in 8 hours

User Rewind
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