Ashley took $20 out of her savings account each week on Friday how many weeks ago did she have at least $250 in her account
2 answers:
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<h3>Answer: Choice B. f(x) = 100 - 68x</h3>
Work Shown:
Solve for y. Then replace y with f(x).
Effectively this involves adding 1000 to both sides and subtracting 680x from both sides, afterward we divide both sides by 10 to isolate y.