Question

express the following as a linear equations in two variables (I) the sum of two numbers is 50 (ii) Ramesh and Suresh contributed 1500 towards an orphanage (iii) ravi got 5 more marks than double the marks of Raju (iv) cost of 10 pens and is 125 (V) Radha's age is 3 times the age of Rajini ​

Answer 1

$1) \: x + y = 50$

$2) \: x + y = 1500$

$3) \: x= 5 + 2y$

$4) \: 10x = 125$

$5) \: x= 3y$