SOLUTION: A tree house costs $530. You plan to save $10 each week. Your parents will help pay $80 of the cost. Your savings plan can be modeled with the equation S = 10w + 80. After how many

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Question 1026306: A tree house costs $530. You plan to save $10 each week. Your parents will help pay $80 of the cost. Your savings plan can be modeled with the equation S = 10w + 80. After how many weeks will you be able to afford the tree house?
Answer by tutor_paul(519) About Me  (Show Source):
You can put this solution on YOUR website!
First, apply the information given to the savings plan equation:
S+=+10w+%2B+80
530=10w%2B80
Solve for w (The number of weeks)
10w=530-80
10w=450
w=45
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Good Luck,
tutor_paul@yahoo.com