SOLUTION: Hello What the average of 5 numbers is 92 When a sixth number was added the average became 90 What was the sixth number ?
Algebra.Com
Question 779170: Hello What the average of 5 numbers is 92 When a sixth number was added the average became 90 What was the sixth number ?
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
s/5 = 92 and 5 * 92 = 460
(460 + x) / 6 = 90
multiply both sides of = by 6
460 +x = 6*90
460 +x = 540
x = 80
RELATED QUESTIONS
The average (arithmetic mean) of a set of 5 numbers is 9.6. When a sixth number is added... (answered by alicealc)
the average of four numbers is 82. when the fifth number was added the average became 83... (answered by tommyt3rd)
The mean of 5 numbers is 11. When a sixth number is 12. Find the sixth number.
(answered by robertb)
the average of 6 numbers is 27.if the sum of 5 of the numbers is 140 , what is the sixth... (answered by ichigo449)
please help me solve this average. the average age of 5 women is 43 years. when a sixth... (answered by Alan3354)
Her average was 91 after her sixth test it went to 89 what was her score on the sixth... (answered by ankor@dixie-net.com)
the average of 3 numbers is 27. If a 4th number is added the new average is 22. What... (answered by JulietG,stanbon)
The average of five numbers a 34,one more number is added then the average become 35.... (answered by ankor@dixie-net.com)
One-sixth of a number is 5 more than the same number. What is the... (answered by checkley77)