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10 April, 05:47

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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  1. 10 April, 06:07
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    220 = - 20w + 500 < = = ur equation

    220 - 500 = - 20w

    - 280 = - 20w

    -280/-20 = w

    14 = w ... it would take 14 weeks
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