Question

The price of 2 note books and 3 text books is 120 but a note book costs 10 more than the text book .. find the cost of both ​

Answer 1

Answer:

let be text book cost = x

note book cost= x+10

x+ x+10=120

2x=120-10

2x=110

x=55

x+10=65

text book cost=55

note book cost= 65