SOLUTION: A student has scored 80, 98, 78 and 94 out of 100%. If he is determined to have an average score of 95% in five subjects, what minimum score, should he obtain in the remaining

Question 1158024: A student has scored 80, 98, 78 and 94 out of 100%. If he is determined to have an average score of 95% in five subjects, what minimum score, should he obtain in the remaining subject
Found 3 solutions by Shin123, MathTherapy, josgarithmetic:
Answer by Shin123(626)   (Show Source): You can put this solution on YOUR website!
If he wants to get an average of 95, the sum of the 5 scores must be at least . The sum of the first four subjects are . So he should obtain at least to get a 95 or higher average.
Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

A student has scored 80, 98, 78 and 94 out of 100%. If he is determined to have an average score of 95% in five subjects, what minimum score, should he obtain in the remaining subject

NONE!! He cannot!
It states that the scores are out of 100. How can this person score a 125 out of 100?
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
The highest individual, LAST score can be 100%. What THIS does to the final AVERAGE score is . The student CANNOT reach an average of higher than 90%, so this will not allow the 95% .

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