Question

the cost of a sandwich is 20 more than a kulfi. the total cost of sandwich and two kulfis is 80rupee .find the price of a sandwich and a kulfi ​

Answer 1

Let cost of kulfi be X

and that of sandwich be Y

so AQ, Y=X+20---(1)

and X+Y=80---(2)

Substitute 1st in second

X+X+20=80

2X+20=80

X=30

Hope you learned