Asked by Sabie
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?
Answers
Answered by
Sabie
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
-----
Answered by
Sabie
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
Answered by
MathMate
Correct! Well done!
:)
:)
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