Data Management
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Data Management
The producer of HB pencils has 720 pencils randomly chosen from each day's productions. A defect rate of 15% is acceptable. a) Assuming that 15% of all manufactured pencils are defective, what is the probability of finding at
asked by Jamey on January 13, 2008 
Data Management
The producer of HB pencils has 720 pencils randomly chosen from each day's productions. A defect rate of 15% is acceptable. a) Assuming that 15% of all manufactured pencils are defective, what is the probability of finding at
asked by Jamey on January 13, 2008 
aig math
A bookshop had 60 boxes of pencils. Each box contained 85 pencils. Half of the pencils were packed into packets of 25 pencils and the rest were packed into packets of 20. How many packets of pencils were there altogether? My
asked by May on March 18, 2013 
math
A bookshop had 60 boxes of pencils. Each box contained 85 pencils. Half of the pencils were packed into packets of 25 pencils and the rest were packed into packets of 20. How many packets of pencils were there altogether? My
asked by lidia on March 18, 2013 
Math
I need help on how to explain to my 5th grader how to come up with an algebra equation from a word problem. Any suggestions? Example: Gerry had a total of 30 pens and pencils. He decided to trade with his friends all his pens for
asked by Ana on November 20, 2014 
math
Joe went school supply shopping. He spent $22.50 on notebooks and pencils. Notebooks cost $2.00 and pencils cost $0.50. He brought a total of notebooks and pencils. How many pencils did he buy? What i did n+p=15 0.50n+2.00p=22.50
asked by Garhl on May 7, 2017 
math
James has 1800sh to buy pencils. There two types of pencils, cheap and expensive The prices differ for 40 sh. If he buys cheap pencils he gets 12 more. What is price of the pencils.
asked by Justice on June 23, 2017 
Math
If there are 12 green pencils, 4 red pencils, 7 blue pencils, and 2 black pencils, what is the chance of picking a red pencil at random?
asked by Hannah on March 23, 2017 
math
Dylan loved pencils. He had a whole box full of pencils in different colors and designs. Oneseveth of them were yellow, onesixth of them were blue, and the rest of the pencils had designs on them. What fraction represents the
asked by Lis on February 1, 2012 
Algebra
Gerry had a total of 30 pens and pencils. He decided to trade with his friends all of his pens and pencils. If he traded every pen for 2 pencils, he would have 48 pencils in all. How many pens and how many pencils did he have
asked by Ana on November 19, 2014