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Solve the following:(i) Irfan says that ...

Solve the following:(i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. How many marbles does Parmit have?(ii) Laxmi's father is 49 years old. He is 4 years older than three times Laxmi's age. What is Laxmi's age?

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Let's solve the given problems step by step. ### Part (i): Finding the number of marbles Parmit has 1. **Understand the problem**: Irfan has 7 marbles more than five times the number of marbles Parmit has. We know that Irfan has 37 marbles. 2. **Let’s define variables**: - Let the number of marbles Parmit has be \( x \). ...
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Set up an equation in the following cases: (i) Irfan says that he has 7 marbles more than five times the marbles Parmit has. Irfan has 37 marbles. (Take m to be the number of Parmit’s marbles.) (ii) Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. (Take Laxmi’s age to be y years.) (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 .) (iv) In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. Remember that the sum of angles of a triangle is 180 degrees).

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Knowledge Check

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