Cost of 4 pens, 6 notebooks and 9 files is$\text{₹}305$ Cost of 3 pens, 4 notebooks and 2 files is$\text{₹145}$ What is the cost (in $\text{₹}$) of 5 pens, 8 notebooks and 16 files?

$\left[\right(4\text{ Pen }+6\text{ Notebook }+9\text{ File })=₹305]\times 2$

$8\text{ Pen }+12\text{ Notebeok }+18\text{ File }=₹610$

$3\text{ Pen }+4\text{ Notebook }+2\text{ File }=₹145$

Equation (1 )- Equation (2)

$5\text{ Pen }+8\text{ notebook }+16\text{ File }=₹465$