Question

You have $160 and save $7 per week. your friend has $210 and saves $5 per week. afther how many weeks will each of you have saved the same amount of money?

Answer 1

Let the number of weeks needed be x
160 + 7x = 210 + 5x
7x - 5x = 210 - 160 
2x = 50
x = 25

Ans: After 25 weeks.