68 Answered Questions for the topic Averages

Averages

07/17/16

Two numbers are such that one number is 42 more that the second number and their average is equal to 40. What is the larger of the two numbers?
Two numbers are such that one number is 42 more that the second number and their average is equal to 40. What is the larger of the two numbers?
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Averages

06/17/16

How to average 2 averages with a constant variable present
For example, formula used is (A*200,000/B) = C.    Is it better to average C1 and C2 such that: (1*200000)/366425 = 0.55 (0*200000)/185624 = 0.00 and average these two numbers (0.55+0.00)/2 =... more
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Averages

06/15/16

If I have an average of 66% and that is worth 70% what do I need on the exam worth 30% to have an overall average of 70%
If I have an average of 66% and that is worth 70% what do I need on the exam worth 30% to have an overall average of 70%?  And as well what is the calculation so I can use it in the future to... more
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Averages

06/02/16

please answer this average question for me :)
There are seven girls and three boys in a youth group. Then mean pocket money the girls recieve is £5.40. The mean pocket money the boys recieve is £4.80. Find the mean pocket money for the whole... more
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Averages Math Help

05/13/16

what's the average of the 8 new numbers?
The average of 8 numbers is 6.5. If each of the numbers is decreased by 3, what's the average of the 8 new numbers?
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02/17/16

There are 41 students with and average of 92.7 on the test 21 more students take the test and there average is 62.1 what is the overall average
This is the question help please I do not know how to do   
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Averages Statistics

02/07/16

Are averages discrete or continuous variables?
Doing a stat lab. Need to know if the average of test scores and average spent on pupils is a discrete or continuous variable and I keep confusing myself trying to figure it out. 
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Averages

07/11/15

averages topic
a chemist has two solutions one of which is 40% acid and the other is 20% acid.how many liters of solution with 20% acid should the chemist mix to get 10 liters of solution that is 25%... more
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Averages

07/11/15

averages topic
A restaurent orders 150 kgs of pumpkins from the farmers market . the farmers fills the order with 23 pumpkins . the average mass of the first 20 pumpkins is 6.5 kg what must be the minimum average... more
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Averages

07/11/15

averages topic
A corporation with 5,000,000 shares of publicly listed stock reported total earnings of $7.20 share for the first 9 months of operation .during the final quarter the no of publicly listed shares... more
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Averages

07/10/15

averages topic
jim average score for four algebra test was 85 out of possible 100 if his score on two test were 75 and 80.what is the lowest that either of his other scores could have... more
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Averages

07/10/15

averages topic
in a class of 21 students the average score on math test was 77% if suzie got 95% and jack got 78% what is the average grade of the other 19 students?   (a)89% (b)85% (c)80% (d)75%
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Averages

07/10/15

averages topic
a chemist has two solutions , one of which is 40% acid and the other is 20% acid . how many liters of solution with 20% acid should the chemist mix to get 10 liters of solution that is... more
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Averages

07/10/15

averages topic
if the average of x and y is 40 and (z-x)2 =3600 what could be the average of y and z?   (a)10 (b)20 (c)50 (d)65 (e)70
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Averages

07/10/15

averages topic
the average weight of 20 students in a class is decreased by 500g ,when one of the boys whose weight is 45 kg is replaced by a new boy then weight of the new boy is?
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Averages

07/10/15

averages topic
the average of 25 students is 18 ; that of first twelve is 14 and the last twelve is 17 thirteenth result is:
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07/04/15

algebra 1/2 question
  In a math course, a student scored 100 on one test,97 on another test, and 88 on each of the other tests. The students test average, where each is weighted equally is exactly 91. What is the... more
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05/03/15

Math/Average Question
In January a band plays 6 shows and averages 120 people at each show. In February this band plays 4 shows and averages 90 people at each one. What is the average number of people at each show which... more
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Averages

03/29/15

How much did each of the 3 new workers carry if each worker carried the same amount?
At a construction site, 6 workers carted an average of 15 kilograms of building materials. Another 3 workers joined them and the average amount they carried became 18 kilograms. How much did each... more
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Averages

03/12/15

Maria's average grade for 6 subjects is 85. Her average in mathematics is 90. What is the average of the other 5 subjects?
 My question is a word problem and I need help with using a strategy to solve.
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03/09/15

is percentage of population in bad health variable and the percentage born in state; continuous data or categoric?
and what is best spread and average to use? is percentage of population in bad health variable and the percentage born in state; continuous data or categoric?
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Averages

02/02/15

average of 15 and 25 is equal to the average of 17 and x?
 show me some basic so that ii can slove more
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Averages

01/23/15

My average is 82% (worth 70% in the course) and I want to know what I need to get on the exam (worth 30%) that will get me a 75% or higher overall
82% =0.7   75% =1   x= 0.3   what does x equal?
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Averages

01/22/15

Which of the following is the average (arithmetic mean) of x2 - 10, 30 - x2, and 6x + 10?
I do not know how to set this up.
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Averages

01/15/15

Your test scores for the semester are 87,84,and 85 . What will your average be if you make a 90 on the next test?
write an equation to represent the situation then solve
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