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Sadie is saving money to buy a new pair of sneakers, which costs $200.She has already saved $75. She earns $25 per week working at McDonald'sand wonders how many weeks it will take to earn enough money topurchase her sneakers. How many weeks will Sadie have to work to earnenough to buy the sneakers? *

Sagot :

To answer this question, we can translate this situation algebraically as follows:

[tex]75+25x=200[/tex]

Sadie already has $75 saved, and still needs to save what is earned each week at McDonald's ($25 per week). Then, solving for x, we have:

1. Subtract 75 from both sides of the equation:

[tex]75-75+25x=200-75\Rightarrow25x=125[/tex]

2. Divide both sides of the equation by 25:

[tex]\frac{25x}{25}=\frac{125}{25}\Rightarrow x=5[/tex]

Therefore, Sadie has to work for 5 weeks to earn enough money to buy the sneakers.

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