I have a 2500 gallon container. I fill it with 4 vendor's used oil, but the oil had residue. First vendor brings 559g at 91% (9% residue). 2nd Vendor brings 147g @ 67%. 3rd brings 1025g @ 82%. 4th...

I have a 2500 gallon container. I fill it with 4 vendor's used oil, but the oil had residue. First vendor brings 559g at 91% (9% residue). 2nd Vendor brings 147g @ 67%. 3rd brings 1025g @ 82%. 4th...

Kenny paid $1400 for 280 shirts. He sold 240 of them at an average of $8 each. If he made a total profit of $800, what was the average price at which he sold the rest of the shirts? Yvonne...

Previously had a 25 point scoring system in place for a survey. We changed it to a 100 point scale. It appears that a marginal score (60) in the 100 point scale has a more impactful effect on the...

it's an average problem

the average of 5 numbers is 13. four of the numbers are 11,9,15 and 26. what is the fifth number?

Need help for this A group of working adults was surveyed to find out how well they sleep on weekend nights. The pie chart below shows, correct to the nearest hour, the hours of sleep of...

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...

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?

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...

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?

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...

This is the question help please I do not know how to do

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.

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% acid? (a)8...

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% (a)8...

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 been? (a)10...

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...

about three-fourths of DCC students have debt less than $3,600. The largest debt of the RCC students is less than the largest debt of the DCC students. The total debt...

a.What is the daily average dollar amount of transactions? Round to the nearest hundred million dollars. b. How many dollars in credit card transactions are made on any particular...

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