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Leno4ka [110]
3 years ago
13

Sarah bought a lawnmower for $320. She signed up for the buy now pay later plan at the store with the following conditions: $100

down and payments of $25 for the next 12 months. The extra cost paid by taking this plan is equivalent to what actual yearly rate of interest? A. 67% B. 65% C. 25% D. 85%
Mathematics
1 answer:
marishachu [46]3 years ago
4 0
Cost of the lawnmower bought by Sarah = $320
Amount of down payment made by Sarah = $100
Amount paid by Sarah in 12 months = (12 * 25) dollars
                                                          = 300 dollars
Total amount paid by Sarah = (300 + 100) dollars
                                             = 400 dollars
Excess amount paid as interest by Sarah = (400 - 320) dollars
                                                                   = 80 dollars
Actual yearly rate of interest paid by Sarah = (80/320) * 100 percent
                                                                     = 25 percent
So 25% yearly interest was paid by Sarah. The correct option is option "C".
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If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
adell [148]

Answer:

option D

2x − 7(−3x − 17) = 4

Step-by-step explanation:

Given in the question two equations

<h3>Equation 1</h3>

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Rearranging equation 2 in terms of y

3x + y = -17

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Put this value of y in Equation 1

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If you use the substitution method to solve the following system, new equation will be

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3 0
3 years ago
For bone density scores that are normally distributed with a mean of 0 and a standard deviation of​ 1, find the percentage of sc
Shkiper50 [21]

Answer:

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Step-by-step explanation:

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a. significantly high​ (or at least 2 standard deviations above the​ mean).

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b. significantly low​ (or at least 2 standard deviations below the​ mean).

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So scores of -2 and lower are significantly low

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2 standard deviations below the mean is:

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Answer:

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