Mathematics, 20.07.2019 03:20 amay1977
The world brand of rivet placement is 11209 rivets in 9 hours and belongs to j. mair of ireland. if another person places 11209 rivets in 10 hours, how long will it take both of them, if they work together, to place the 11209 rivets?
Answers: 1
of total work
=
hours = 4.74 hours to complete the whole work which is placing 11209 rivets 
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The world brand of rivet placement is 11209 rivets in 9 hours and belongs to j. mair of ireland. if...
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