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OpenStudy (anonymous):
Uma wants to buy a video game system for $300. She has $100 and is saving $20 each week. Solve the equation 20w + 100 = 300 to find how many weeks w it will take Uma to save enough to buy the system.
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OpenStudy (anonymous):
Minus 100 off of each side so 300 - 100 = 200 then divide each side by 20 so 200 divided by 20 = 10 So 10 weeks.
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