Question 1013081: rahul spends rupees y daily and saves rupees z per week . what is his income for 3 weeks Found 2 solutions by macston, fractalier:Answer by macston(5194) (Show Source):
You can put this solution on YOUR website! If he makes z rupees per week, in three weeks, he makes 3z rupees.
If he spend y rupees each day, in three WEEKS, he spends 21y rupees.
Thus his total will be
3z - 21y rupees.
