Mathematics, 23.04.2020 16:32, dillongivenstheman
One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight
minutes. How many minutes will it take them to do the job together?
6 min
12 min
24 min
Answers: 2
Mathematics, 21.06.2019 23:00, erbnichole
Graph the system of equations on your graph paper to answer the question. {y=−x+4y=x−2 what is the solution for the system of equations? enter your answer in the boxes.
Answers: 1
One person can do a certain job in twenty-one minutes, and another person can do the same job in twe...
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