SOLUTION: Each week, Ben deposits the same amount of money into his bank account. Today, he has 42$ in his bank account. Three weeks from now , he will have $210. How much money does Ben dep

Question 1031876: Each week, Ben deposits the same amount of money into his bank account. Today, he has 42$ in his bank account. Three weeks from now , he will have $210. How much money does Ben deposit each week??
Found 2 solutions by stanbon, MathTherapy:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Each week, Ben deposits the same amount of money into his bank account. Today, he has 42$ in his bank account. Three weeks from now , he will have $210. How much money does Ben deposit each week??
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f(0) = 42 dollars
f(3) = 210 dollars
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slope = (210-42)/(3-0) = 168/3 = $56
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Note:: The slope is the amount savings will increase
when the number of weeks increases by one.
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Cheers,
Stan H.
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Answer by MathTherapy(10551) (Show Source): You can put this solution on YOUR website!

Each week, Ben deposits the same amount of money into his bank account. Today, he has 42$ in his bank account. Three weeks from now , he will have $210. How much money does Ben deposit each week??

As he now has $42, and will have $210 in 3 weeks, it follows that over the next 3 weeks, he will have deposited $168,
which means that , or will be deposited each week
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