Question

2. Rahul spends Rs. Y daily and saves Rs S per week. What is his income for 3 weeks?

Answer 1

Answer:

Rahul's weekly spending=7Y

Rahul's weekly Income=weekly spening + weekly Savings

Rahul's weekly Income=(7Y+S)

Income for 3 week = 3(7Y+S)= 21Y+3S

Step-by-step explanation:

Answer 2

income of one week = y×7+s
=7×y+s
=₹7ys
income of three weeks = 7ys×3
=3×7×y×s
=₹21ys