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pishuonlain [190]
3 years ago
10

William put $100 in a bank account last year. Now he has more money in the account. Which expressions represent how much money W

illiam has in his bank account now? Choose all answers that are correct.
A. $100 - (1/12 * $100)

B. $100 + (1/12 * $100)

C. $100 + (13/12 * $100)

D. 13/12 * $100


I think B. and D. are correct because they are both equal. Could someone help me understand this, and tell if I'm right or wrong? Thanks! <3
Mathematics
2 answers:
Harman [31]3 years ago
7 0
Its b an its wright Oh no! Something went wrong while adding your answer<span><span>It's too short. Write at least 20 characters to explain it well.</span><span>
</span></span>
gulaghasi [49]3 years ago
5 0
You are right the answers are B and D because in both we have 100$ at the first :))
i hope this is helpful
have a nice day 
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Okay, for system 1:

1. I am using the elimination method to solve. So I check if all the terms are lined up and if any are the same. I found that 2X are common in both equations.

2. The goal is to “eliminate” the term hence the name. So I can choose to add or subtract. I chose subtraction because 2 - 2 equals 0 which is our goal. Solve for the rest of the terms. This will lead to getting y =4. Refer to image for the work.

3. Last step to to find the X value. We do this by picking any of the given equations,then substitute y with 4 and solve to eventually get x = 10. Refer to image for the work.

FOR SYSTEM 2:

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2. Now that I have terms in common I can choose to add or subtract. I chose subtraction because 2-2 equals zero which is what we want. Solve look at image for my process which lead to X = -8

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To check the validity of the answers, substitute the x and y values into both equations both side of the equal side should have the same number. Hope that helped!

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