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OpenStudy (anonymous):
Two mechanics, Martin and Gordon, are working on your car. Martin can complete the work in 4 hours, while Gordon can complete the work in 2 hours. How many hours does the maintenance take if they work together? one half three fourths six eighths four thirds
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OpenStudy (anonymous):
@hartnn
OpenStudy (raden):
multiply both times of them then divided by sum of both times
OpenStudy (anonymous):
ok thank you
OpenStudy (raden):
so, what is (4 * 2)/(4 + 2) ?
OpenStudy (raden):
welcome :)
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OpenStudy (anonymous):
16+8+8+4
OpenStudy (anonymous):
oh wait it is 8 over 6
OpenStudy (raden):
ye, it is 8/6 simplied be 4/3
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