Saturday

December 20, 2014

December 20, 2014

Posted by **matt** on Thursday, May 13, 2010 at 10:47pm.

- algebra -
**Damon**, Friday, May 14, 2010 at 5:17am1/30 = .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**

**Related Questions**

algebra 1 - You can stuff 321 envelopes in 1 hour and 15 minutes. At this rate...

algebra - Every week Linda must stuff 1000 envelopes. She can do the job by ...

math - a red light winks every 6 seconds, a white one every 10 seconds, and a ...

algebra - Machine A produces nails at a uniform rate of 60 every 20 seconds and ...

math (NEW ANSWERS) - identify the fraction that is equivalent to 3/8. A.15/32 B....

mathematics - A bell rings every 2 seconds, and a bird chirps every 3 seconds. ...

Math - Every week, Linda must stuff 1000 envelopes. She can do the job by ...

Math - A bell rings every 2 seconds, and a bird chirps every 3 seconds. If the ...

algebra - A shipping clerk wishes to determine the weights of each of the 4 ...

math - if one sign binks every 7 seconds and the other sign blinks every 9 ...