Question

a man went to the bank with thousands ask the cashier to give him 5 rupees and 10 notes only in return .write the linear equation in two variable if number of 10 notes are 25 ,then find the number of 5 notes ?also represent it graphically

Answer 1

x+y=1000
x=Rs.10
x=10*25
x=250
1000-250=y
750=y