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Charlotte is saving money for a new phone, and she wants to have at least $545 saved before she goes to buy one. So far, she has saved $225. She plans to save $40 each week going forward. In how many weeks will Charlotte have saved enough to buy a phone?

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rihanna899

Answer:

8 weeks. 545-225=320. 320÷40= 8

H1storyBuff

We can turn this into an equation:

545 is the y, 225 is the constant, and 40x is the amount per week.

So lets plug this in:

545 = 40x + 225

Subtract 225 from both sides

320 = 40x

Divide by 40

8 = x

This means that it will take 8 weeks to save enough money.

I hope this helps! :)

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