Question

Aravind buys 5 pens and 10 pencils for Rs 215 and Rohan buys 10 pencils and 15 pens from the same
shop for Rs 580. Form linear equations to represent the situations.
If an = 5+3n Find the value of d

PLS SEND ME THE ANSWER FAST​

Answer 1

Let the cost of each pen be Rs. x

and the cost of each pencil be Rs. y

5x + 10y = 215

=> x + 2y = 43 ----------(i)

10x + 15y = 580

=> 2x + 3y = 116 ----------(ii)

Now, solve these equations, you will get the answer...