5. Olivia and Evelyn are each saving money. Olivia starts with $200 in her savings account and adds $10 per week. Evelyn starts with $50 in her savings account and adds $25 each week.
a. After four weeks, who has more money in their savings account? Explain how you know.

b. After how many weeks will Olivia and Evelyn have the same amount of money in their savings accounts?

I know the answer to a but not to b please help.. will give brainliest

Answer for b- At 10 weeks they will both have $300 in their bank account.

Step-by-step explanation:

Since Olivia starts with $200 in her savings account and adds $10 per week, we can plug the equation y=200+10x into the calculator (use y= button). For Evelyn's equation, we can plug in 25x+50. Now press 2nd, graph on your calculator and scroll until the two columns on the right are equal. (Picture for help)

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