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

Advertisement

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

Advertisement

  1. Chapter 4 Class 7 Simple Equations
  2. Serial order wise

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

About the Author

Davneet Singh's photo - Teacher, Engineer, Marketer
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.