Ex 4.1, 6 (iii) - Chapter 4 Class 7 Simple Equations
Last updated at Dec. 16, 2024 by Teachoo
Ex 4.1
Ex 4.1, 1
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Chapter 4 Class 7 Simple Equations
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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
