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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.

User Wilbev
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1 Answer

5 votes
220 = -20w + 500 <== ur equation
220 - 500 = -20w
- 280 = -20w
-280/-20 = w
14 = w.....it would take 14 weeks
User Jason Hoetger
by
8.3k points
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