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You have ​$85 in your bank account. Each week you plan to deposit ​$77 from your allowance and ​$25 from your paycheck. The equation b=85+​(25+7​)w gives the amount b in your account after w weeks. How many weeks from now will you have ​$270 in your bank​ account?

Guest Oct 31, 2017
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We want to solve this

 

270  =  85+​(25+7​)w     subtract  85  from both sides

 

185 =  32w         divide both sides by 32

 

w ≈ 6 weeks

 

 

cool cool cool

CPhill  Oct 31, 2017

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