Question

.Mini obtained 38 and 40 scores in the first two unit tests. Find the minimum score to be obtained in the third set to have abn average of atleast 30 score
a) x ≤ 12
b) x< 12
c) x ≥ 12
d) none

Answer 1

Answer:

The minimum score to be obtained in the third test is 12.

Step-by-step explanation:

Mini obtained 38 and 40 scores in the first two unit tests.

Let the score to be obtained in the third test = x

Average of three tests = 30

=>  

=>  

=> 78 + x = 3 x 30 = 90

=> x = 90 - 78

=> x = 12

Hence, the minimum score to be obtained in the third test is 12.

Step-by-step explanation:

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