SOLUTION: You have $85.00 in your bank account and start saving $15 per week. Your friend has $610 and is withdrawing $10 per week. Using substitution, determine the break even point and exp

Question 974693: You have $85.00 in your bank account and start saving $15 per week. Your friend has $610 and is withdrawing $10 per week. Using substitution, determine the break even point and explain what the solution means. Thank you :)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the current amount in
the bank accounts
Let = number of weeks passed
(1)
(2)
------------------------
The break even point is where the two
accounts are equal

In 21 weeks, their accounts are equal

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