Question

23. Siri bought 2 notebooks and 3 pens for Rs 90 . Lakshmi bought

4 notebooks and 5 pens for Rs 140. Form linear equations for the given

situation to find the cost of a pen and a notebook .​

Answer 1

let notebook be x and pens be y so,

for Siri, equation will be,

2x+3y=90

same in 2nd Case

4x+5y=140