CAN YOU SOLVE THIS ???Algebra Level pending
A man earns R.s 20 on the first day and spends R.s 15 on the next day.He again earns R.s 20 on the third day and spends R.s 15 on the fourth day.If he continuous to save like this, then how soon will have R.s 60 in hand
N.o of days from which day he start earning is ?