# Math

Sarah's scores in her tests are as follows: 89, 94, 90, 90. What will be her grade in her next test if she wants to have an average of 92?

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1. 89+94+90+90 = 363

92 x 5 = 460

460 - 363 = 97

She needs a grade of 97 in her next test.

PROVE:

89+94+90+90+97 = 460

460
-----

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posted by Sabie
2. 89+94+90+90 = 363

92 x 5 = 460

460 - 363 = 97

She needs a grade of 97 in her next test.

PROVE:

89+94+90+90+97 = 460

460
----- = 92 ! YAY!
5

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posted by Sabie
3. Correct! Well done!
:)

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posted by MathMate

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