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Nam worked on a job for 10 days. On each of the last 2 days, he worked 2 hours more than the mean number of hours he worked per day during the first 8 days. If he worked 69 hours in all, how many hours did he work during the last
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A set of 60 different days is selected from a given year. assume that all sets of cardinality 60 are equally likely. Also, for simplicity, assume that the year has only 360 days, divided into twelve 30 day months evaluate the
asked by stud81 on October 3, 2018 
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Christin's age is equal to three times her age in 3 years' time minus three times her age 3 years ago. What is her age now? Please explain how you got the answer as well, thanks.
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Health issues due to being overweight affect all age groups. of children and adolescents 611 years of age,18.8% are found to be overweight. A school district randomly sampled 130 in this age group and found that 20 were
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math (PLZ HELP ASAP)
The students asked their math teacher to tell them her age. She didn’t want to tell them, but she replied, “If you take two years from my present age the result will be three times my son’s age, and seven years ago my age
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in how many years will rs. 6750 amount to rs. 8000 at 5 percent S.I. ? the answer is 3 years 8 months 13 and half days but i don't know the process please give answer.
asked by Raghav on February 10, 2017 
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Yuki's age is four years more than onefourth of Xena's age. Xena's age is 21 years and 6 months more than seveneighths of Yuki's age. How old are Xena and Yuki?
asked by emmy on November 27, 2012 
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The average age of a vehicle registered in the United States is 8 years, or 96 months. Assume the standard deviation is 16 months. If a random sample of a group of 48 vehicles is selected find the probability that the mean of the
asked by Christina on March 18, 2013

math
A. A woman was 30 years old when her daughter was born.Her age is now 6 years more than three times her daughter's age. How old will the daughter be in 5 years? B. Lisa is 15 years old and her father is 40. How many years ago was
asked by gary on July 13, 2013 
Math
Sheila's age is two years more than twice Nicole's age. The sum of their ages is the same as Steven's age. If Steven's age is ten years less than five times Nicole's age, ,find the age of each. Write a verbal model!
asked by jj on October 6, 2010 
Math
Jane is x years old today. Her brother Kenny is 4 years older. After seven years their total combined age will be 24 years. Write a linear equation for their total combined age after seven years. Fine James age today.
asked by Mary on November 3, 2012 
algebra
I have a word problem in my homework that confuses me. How long is 1 billion seconds simplified into years then months then days, etc. Years then months then days as in xx years xx months and xx days to count to 1 billion seconds.
asked by Jason on September 24, 2009
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