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An average is worked out by dividing the total of the scores by the number of scores.

You have 4 scores already so when you have done the next test it will be 5 scores. If you multiply 5 scores by 90 it gives you a total score of 450.

The 4 scores you already have adds up to a total of 354. If you subtract 354 from the 450 you get 96 and that is your target for the final test.

The average for the first 4 tests comes out at 88.5

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Q: What if your test grades are 83 94 86 and 91 what grade fo you need to earn on your next test to have an average of 90?

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Related questions

You must maintain a 2.0 (C) grade point average for most programs.

A grade is usually assigned a number as well. To find the average, you will need to add the numbers of the grades. Then, divide the sum by the number of grades there are.

you need pretty good grades and apparantly you need good grade at maths you need pretty good grades and apparantly you need good grade at maths

A 3.693838438483589745678567568789567890 average through 7th grade

You will need grade c or above

no actually u dont need to .......

Of course you need to have good grades... as much as possible don't have grades below 85% . That's the standard grade you need to have to be able to get into the military. :)

you need A to E grades for textiles.

you need at lest 2 AA'sdegreeybut some nury will need Garde that isgrade C to grade A the height grade is A*

You need a 93

Average is OK unless you want to attend a college then you will need a higer grade point average to compete with other applicants. A diploma school would be less competitive.

There is not a grade average it depends on your GPA. Based on average your GPA will need to be 2.00.

you need to get a & b grades also make sure you get a good grade in art class because that counts alot

If all your grades are weighted the same you add all of your grades together, then divide it by the number of grades you have for example: 97 82 35 67 86 43 (my grades not really) divided by 6 because that is how many grades i have = a 68% 68% is my final grade. If they have different weights then you need to multiply the grade by the % its worth.

To get into Princeton you need at least a 3.5 grade average and to have been involved in extra curricular activities like sports and clubs. You also would need to be involved in community service.

You just need passing grades, is all.

A ship captain (admiral) need the average grades of 5 A-C's, in English grade C or above, Maths grade B or above... An extra language would help!!

Hello! You are in seventh grade! grades dont matter till ninth:) check another website.

a C average

try to get a t east c in all grades or a A grade if you are doing a gcse in cooking

what is the grade point average you need to get in Michigan st university

You definitely need to get great grades…not just good grades, but great grades. A high GPA and high SAT scores are a must. After you accomplish this, start thinking about ways you can separate yourself from the competition. Extracurricular activites are very important. The exact grade point average to attend to Cornell University can be found on Unigo.com's Cornell webpage: http://www.unigo.com/cornell_university/rankings/

1.6

you don't. you are in seventh grade. you don't need a girlfriend. focus on school, get good grades, then get a girlfriend.

well, you might need to make it up in summer school , IF you want to improve your grade, or i guess you don't need to worry about it.