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Set up an Equation in the Following Case: the Teacher Tells the Class that the Highest Marks Obtained by a Student in Her Class is Twice the Lowest Marks Plus 7. the Highest Score is 87. - CBSE Class 7 - Mathematics

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Question

Set up an equation in the following case:

The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)

Solution

Let the lowest marks be l.

2 × Lowest marks + 7 = Highest marks

2 × l + 7 = 87

2 l + 7 = 87

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Mathematics for Class 7 (2018 to Current)
Chapter 4: Simple Equations
Ex. 4.10 | Q: 6.3 | Page no. 82
Solution Set up an Equation in the Following Case: the Teacher Tells the Class that the Highest Marks Obtained by a Student in Her Class is Twice the Lowest Marks Plus 7. the Highest Score is 87. Concept: Concep of Equation.
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