You have $60 and your sister has $120. you are saving $7 per week and your sister is saving $5 per week. how long will it take before you and your sister have the same amount of money and how much money will you each have?

Question

Angelina Cardenas

Mathematics

23 May, 13:12

You have $60 and your sister has $120. you are saving $7 per week and your sister is saving $5 per week. how long will it take before you and your sister have the same amount of money and how much money will you each have?

+3

Answers (1)

Know the Answer?

Kathy Moss · Answer 1

x - number of weeks until the game is over.

60 + 7x = 120 + 5x ⇒ 7x - 5x = 120 - 60 ⇒ 2x = 60 ⇒ x = 30.

So, after 30 weeks, you and your sister have the same amount of money.

60 + 7·30 = 60 + 210 = 270 dollars, will you each have