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Tom and Jerry have to stuff and seal 84 envelopes for a new marketing campaign Jerry can envelopes in 2 minutes. Tom can do 3 envelopes per minute How long would take them the work together

 Feb 7, 2020
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Is Jerry's rate   2 envelopes per minute???

 

i'll assume jerry can stuff 2 envelopes / min

 

84 env  /  ( 2 env/min + 3 env/min) = 84/5 = 16.8 mins

 Feb 7, 2020
edited by ElectricPavlov  Feb 7, 2020

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