Earlcan stuff advertisingcircular into envelopes at the rate of envelopes per minute. ellen requiresa minute and a half to stuff the same number of envelopes. Working together,how long willit take earl and Ellen to stuff 50 envelopes?
a) 4 minutes b)5 minutes c)6 minutes d)3 minutes

• If Earl can stuff advertisingcircular into envelopes at the rate of 'X' envelopes per minute. ellen requiresa minute and a half to stuff the same number of envelopes. means Ellen can put x/1.5 envelopes in 1 min.
  Working together , they can put x+x/1.5 = 2.5 X/1.5 envelopes in 1 minute
  so they will take (50*1.5)/2.5 X = 30/X minutes to stuff 50 envelopes.
  
  Depending on value of X, they can take time.
  If X= 6, option B is correct.
  If X= 5, Option C is correct.
  If X=10, Option D is correct.
• 13 years agoHelpfull: Yes(5) No(0)
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  Data missing.
  Earl can stuff advertising circular into envelopes at the rate of ...???.... envelopes per minute.
• 13 years agoHelpfull: Yes(4) No(0)