Megan has $50 and saves $5.50 each week. connor has $18.50 and saves $7.75 each week. after how many weeks will megan and connor have saved the same amount

The difference between Megan and Connor is 50-18,5=31,5 $

The difference between saves is 7,75-5,5=2,25 $ 
 
After how many weeks will Megan and Connor saved the same amount ?
31,5:2,25=14
The answer is : after 14 weeks

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