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26 May, 12:05

Heather has 509 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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  1. 26 May, 12:17
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    The equation is - 20x + 509 = 220

    Step-by-step explanation:

    Write the equation down. Then subtract 509 from both sides, which will equal - 289. You should have - 20x = - 289. Next, divide both sides by - 20, and you will get 14.45 as your final answer. So, it will take about 14 weeks for Heather to have a balance of 220.
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