How much money does one ₹10 note and one ₹50 note make together?
How much money does 4 ten-rupee notes and 3 five-rupees notes together make? What about 7 ten rupee notes and 4 five-rupees notes?
Let us denote the number of ten rupee notes by t, five rupees notes by f and the total amount by m. What is the relation involving t, f, m?
Krishna has 5 notes of ₹20 and 10 notes of ₹50. How much money does he have?