Question

Page :
Date:
| 4 maths book f 5 notebooks together
costs Rs 420. Represent this is a
linear equation in two variable and
give the solutions for it​

Answer 1

Answer:

let the number of book be 'x'

and number of notebook be 'y'

so, according to question,

4x+5y=420

and solution is,

x=420-5y/4