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Baeley W.

Tutor of 3 years

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Basic Math

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Question:

What is the mean, median, and mode of these 7 numbers: 8,12,5,3,2,5,4

Baeley W.

Answer:

To solve for the mean, you would find the average of all the numbers: (8+12+5+3+5+4)/7= 5.57 To solve for the median, you would arrange the numbers from least to greatest and find the middle number. 2,3,4,5,5,8,12: Median = 5 To find the mode, you would find the number that occurs most often in the series. This would be 5.

Personal Finance

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Question:

You and your friend both have savings accounts. She has $15,000 in the bank with an annual interest rate of 3.25%. Your bank account has $12,000 with an annual interest rate of 5.3%. Who will have more money at the end of 2 years if no additional money is deposited?

Baeley W.

Answer:

You would first start solving for how much money your friend would have in two years. To do this, you would simply use the formula FV = PV*(1+r)^t: FV = 15000*(1+.0325)^2. This comes to $15,990.84. Then you would solve for how much money you would have in two years. You would use the same formula: FV = 12000*(1+.053)^2. This comes to $13,305.71. Therefore, your friend would have more money at the end of two years.

Algebra

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Question:

Solve the equation: 3x(-2+5)+5x=4

Baeley W.

Answer:

You would start by distributing the 3x to the numbers in the parenthesis. Example: -6x+15x+5x=4. Then, you would need to simplify the expression. 14x=4. Lastly, solve for x. x=.2857

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