Heather has $500 in her savings account. She withdraws $20 per week for gas. Write the equation heather can use to find out how many weeks it will take her to have a balance of $220

9 answers

500 - 20x = 220
7 equals d plus 5
500 - 20x = 220
I hate math with a passion and always will.
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Describe how to model -3x+7=28 with algebra tiles
Describe how to model -3x +7=28 with algebra tiles
500 - 20x = 220

This is because she has 500 dollars in her account and withdraws means to take something out which is negative so we subtract 500 - 20x. X represents the amount of money she withdraws per week for the gas and she had a balance of 220 dollars.
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