Tuesday
March 28, 2017

Post a New Question

Posted by on .

one clerk can stuff every 30 seconds the 2nd clerk i every 40 seconds. how long will it take them to stuff 140 envelopes

  • algebra - ,

    1/30 = .033 envelopes/sec
    1/40 = .025 envelopes/sec
    so
    .033+.025 = .058 envelopes /sec together
    1/.058 = 17.2 seconds/envelope
    140 envelopes * 17.2 seconds/envelope = 2413 seconds or 40 minutes

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question