Saturday

September 20, 2014

September 20, 2014

Posted by **cliff** on Sunday, February 5, 2012 at 12:21pm.

- math -
**Reiny**, Sunday, February 5, 2012 at 1:30pmjohn types 20/40 or 1/2 page/min

Sue types 20/30 or 2/3 page/min

Bob types 20/24 or 5/6 page/min

combined rate = 1/2 + 2/3 + 5/6 or 2 pages per minute

time at combined rate = 20/2 or 10 minutes

**Answer this Question**

**Related Questions**

math - can you help math question units rates find unit rate for each situation ...

math - Kendis types 150 words in 2 min, how many words does she type in 1 min? ...

math - A secretary can type 8 pages per hour.There are a total of 96 pages to ...

Math - if takes bob 40 mins to type 6 pages how many pages can bob take type in ...

Math Elementary - Carol reads four times as many pages than John. They read 40 ...

chemistry - A particular radioactive substance has a half-life of 4 minutes. How...

math - 289 min = 4 hr and 49 min 213 min = 3 hr and 33 min 345 min = 5 hr and 45...

algebra - John read 1/4 of pages of book on Saturday and another 2/3 of pages on...

Math - Coach Lewis was training for a marathon. After 15 minutes he had run 5 ...

Math - Four classmates are comparing the number of pages that they have read in ...