Question

the teacher tells the class that the highest mark obtained by a student in her class is 9 less than thrice the lowest marks. If the highest score is 90, the lowest score is

Answer 1

Answer:

27

Step-by-step explanation:

Let the lowest score scored be x.

Then highest score in terms of x=3x+9.

Given, highest score =90

3x+9=90

        3x=90−9

        3x=81

          x= 81/3

=27  

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Therefore ,the lowest score obtained =27

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