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3 years ago

Each week Jesalea earns $12 dollars doing yard work. She saves 40% the money she makes,

Mathematics

2 answers:

NARA [144]3 years ago

8 0

Answer:

1) Each week Jesalea saves $4.80

2) She gets to spend $7.20 each week

Step-by-step explanation:

Each week she gets $12 however to calculate the amount she saves convert the percentage into a decimal. 40% can be turned into a decimal by dividing the percentage by 100 and removing the decimal point (40%/100=<u>0.40</u>). Then multiply $12*0.40 to get $4.80 as the saving amount for one week. To know what she spends subtract $12-$4.80 to get $7.20 that she spends.

ratelena [41]3 years ago

7 0

Answer:

Step-by-step explanation:

Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?

Next, identify the numbers.

Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?

Next, identify the key words. These include add, subtract, remove, spend, earn, less, more, times, twice, half, etc.

Jane spent $42 for shoes. This was $14 less than twice what she spent for a blouse . How much was the blouse?

Finally, convert everything into an equation.

⋅

blouse

−

Now, solve the equation.

⋅

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Write the slope intercept form of the equation of the line through the given point with the given slope

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Given that,

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Solution,

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So,

$3=\dfrac{-3}{5}(-5)+b\\\\3=-3+b\\\\b = 6$

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$y=\dfrac{-3}{5}x+6$

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3 years ago

19. A computer store used a markup rate of 120%. Find the selling price of a computer game that cost the

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The computer game would sell for $30.

Step-by-step explanation:

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3 years ago

if I buy 52 packs of cookies and 16 cookies are in each pack how many cookies do I have all together .

katen-ka-za [31]

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Step-by-step explanation:

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3 years ago

As part of your retirement plan, you want to set up an annuity in which a regular payment of $35,000 is made at the end of each

Finger [1]

Answer:

Option d)$401,447.24

Step-by-step explanation:

We are given that as part of your retirement plan, you want to set up an annuity in which a regular payment of $35,000 is made at the end of each year at rate of 6% compounded annually for 20 years

So first of all we need to find the future value of annuity using the formula as shown below :

$FV= p\frac{[(1+\frac{r}{n})^{(n)(t)}-1)]}{\frac{r}{n}}$

Here, FV = future value of annuity

p = $35000 (annual deposit)

r is rate = 6% = 0.06

n = number of compounding = 1 ( as we are compounding annually )

t = number of years = 20

So plugging in all the values in the formula , we get

$FV= 35000\frac{[(1+\frac{0.06}{1})^{(1)(20)}-1)]}{\frac{0.06}{1}}$

Simplifying further , we get

$FV= 35000\frac{[(1+0.06)^{20}-1)]}{0.06}$

Plugging in the given values in the calculator , we get

FV = $ 1287495.69

So far we have got the Total amount for annuity , from here we need to use the concept of compound interest and find the principal amount to be deposited to get the required total amount of $ 1287495.69

The formula for compound interest when compounded annually is given by:

$A=P(1+r)^t$

Here A = 1287495.69 (Total amount required)

P = ( principal amount to be deposited to meet the required total amount )

r = 6% = 0.06

t = 20

So plugging in all the known values in the formula , we get

$1287495.69= P(1+0.06)^{20}$

simplifying further, we get

$\frac{1287495.69}{(1.06)^{20}}= P$

so required amount to be deposited is given by :

P = $401,447.24

Hope it was helpful !:)

6 0

3 years ago

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ZanzabumX [31]

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