Posted by **katherine** on Monday, March 14, 2011 at 4:54pm.

The average of 5 numbers is 28. What would the 6th number have to be to bring the average up to 30?

Anne’s average in math is 92. She wants to raise her average to 93 so she will make an A. she is taking a test on Friday. What score will she have to make on the test to raise her average to 93?

Do you have sufficient information to solve this problem?

If yes, what is the score? If no, supply any data you need to answer the questions.

- math -
**Reiny**, Monday, March 14, 2011 at 5:28pm
if the average of 5 numbers is 28, the total of the 5 numbers is 5(28) or 140

so (140 + x)/6 = 30

times 6

140 + x = 180

x = 180-140

x = 40

notice in the 2nd, you don't have enough information.

You have to know how many tests gave Anne her average of 92

## Answer this Question

## Related Questions

- Math - The average of the first 4 numbers is 14. The average of the next 6 ...
- Math - What is the average of seven numbers if the average of the first two is 9...
- maths - 1).Last year, a shopkeeper sold an average of 7 cartons of apples from ...
- Math? - Hola i need help with this problem I got all confused with the letters A...
- math - 10 numbers have an average of 12 whereas 5 other numbers have an average ...
- math - Anxious Billy Bob pulled out his math recording sheet and saw the ...
- Math - The average of 3 numbers is 45. If one of the numbers is 43, what is the ...
- Programming - I suppose to write a program that calculates the average of up to ...
- math-average - What is SUM AVERAGE? The professor mentioned that the exam ...
- Math - The word problem is: Nancy's quiz average is a 74. Her quiz average is 1/...