Question

5 pens 2 charts cost 31 rs . 2 pens 3 charts cost 19 rs .find the cost of each pen and charts​

Answer 1

Step-by-step explanation:

Let price of 1 pen be Rs x and that of 1 chart be Rs y

5x + 2y = 31.......(1)

2x + 3y = 19.......(2)

By elimination method,

(1) × 2 and (2) × 5

10x + 4y = 62

10x + 15y = 95

-. -. -

-11y = -33

y = 3

Putting the value of y in 1 , we get

5x + 2×3 = 31

5x = 25

x = 5

Price of 1 pen = Rs 5

Price of 1 chart = Rs 3