Ex 4.1, 6 (iii) - Chapter 4 Class 7 Simple Equations

Last updated at April 16, 2024 by

Ex 4.1, 6 - Chapter 4 Class 7 Simple Equations - Part 5

Ex 4.1, 6 - Chapter 4 Class 7 Simple Equations - Part 6

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Transcript

Ex 4.1, 6 Set up an equation in the following cases: (iii) 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.) Let lowest score be l Given that, Highest marks is twice lowest marks plus 7. So, Highest marks = 2l + 7 Also, Highest marks = 87 Thus, 87 = 2l + 7 or 2l + 7 = 87

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo