Answer: It will take about 5 weeks for John and Adrianne to have saved the same amount of money,
Step-by-step explanation: For this question we can create a ratio to determine the amount of weeks it will take both John and Adrianne to have saved the same amount of money.
We know that John began with $100.
We know that Adrianne began with $40
From this point on, John's amount of money will increase by $15 and Adrianne's amount of money will increase by $25.
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