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
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
2 answers:
Answer:
Answer for b- At 10 weeks they will both have $300 in their bank account.
Step-by-step explanation:
<h2>With Graphing Calculator:</h2>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)
<h2> </h2>
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Answer:
£13496.80
Step-by-step explanation:
We can ignore the £ sign for now, that is just units.
If we decrease a number by 4.5%, we will have to find % of 14132.77.
We can easily do this by setting up a proportion.
Multiply 14132.77 by 95.5:
Divide by 100:
Rounding this to two decimal places, it simplifies to 13496.80.
Hope this helped!