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Nick opens a savings account with $50. 

Each week after, he deposits $15. 

In how many weeks will he have saved $500?

 

Step 1: Underline any key information

Step 2: Write a let statement. What does our variable represent?

Step 3: Write an equation:

Step 4: Solve the equation:

 May 10, 2021
 #1
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Alrighty. To underline key information, I would underline the $15, the $50 and the $500. 

 

Our variable represents the number of weeks it took Nick to reach $500. 

 

It would be 15x+50=500.

 

Subtract both sides by 50: 15x=450.

Divide both sides by 15: x=30

 

Nick will have saved $500 in 30 weeks. 

 May 10, 2021

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