hellC7hamcupcater hellC7hamcupcater
  • 20-12-2016
  • Mathematics
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Heather has $500 in her savings account. she withdraws $20 per week for gas. write an equation heather can use to see how many weeks it will take her to have a balance of $220.

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texaschic101
texaschic101 texaschic101
  • 20-12-2016
220 = -20w + 500 <== ur equation
220 - 500 = -20w
- 280 = -20w
-280/-20 = w
14 = w.....it would take 14 weeks
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