matthewmt2082 matthewmt2082

20-08-2020
Mathematics

contestada

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

Respuesta :

sytkm07 sytkm07

20-08-2020

Answer:

4

Step-by-step explanation:

2×4 equals 8 4 papers in 8 hours

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