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stupidinmath
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eric can wash the family van is 1hr. stefan can wash it in 45 min. how long will it take them if they work together?
 one year ago
 one year ago
stupidinmath Group Title
eric can wash the family van is 1hr. stefan can wash it in 45 min. how long will it take them if they work together?
 one year ago
 one year ago

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UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
w=60mins eric w=45 mins stefan w/60=e w/45=s e+s=w/60+w/45=
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
simplify and solve for w
 one year ago

UnkleRhaukus Group TitleBest ResponseYou've already chosen the best response.1
how many minutes?
 one year ago
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