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

Mathematics

Dakota Nash

8 September, 12:12

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?

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Answers (1)

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Jax Bond · 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