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hram777 [196]
3 years ago
6

Molly opened a savings account to save for a bicycle. She deposited the same amount of money each week. At the end of 18 weeks,

she had saved $331.56. How much money did Molly deposit into her account each week?
Mathematics
1 answer:
Bogdan [553]3 years ago
8 0

Answer:

Weekly deposit= $18.42

Step-by-step explanation:

Giving the following information:

Number of weeks= 18

Total amount of money= $331.56

She deposited the same amount of money each week.

<u>To calculate the weekly deposit, we need to divide the total savings by the number of weeks:</u>

Weekly deposit= 331.56 / 18

Weekly deposit= $18.42

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Mr. Smith is purchasing a $ 100000 house. The down payment is 20 % of the price of the house. He is given the choice of two mort
notka56 [123]
<h2>Answer:</h2>

The price of the house = $ 100000

The down payment is 20 % of 100000 means 0.20\times100000=20000 dollars

So, loan amount will be = 100000-20000=80000 dollars

<u>Case A:</u>

30-year mortgage at a rate of 7 %

p = 80000

r = 7/12/100=0.005833

n = 30\times12=360

EMI formula is :

\frac{p\times r\times(1+r)^n}{(1+r)^n-1}

Putting the values in formula we get;

\frac{80000\times0.005833\times(1+0.005833)^360}{(1+0.005833)^360-1}

= \frac{80000\times0.005833\times(1.005833)^360}{(1.005833)^360-1}

Monthly payment = $532.22

So, total amount paid in 30 years will be = 532.22\times360=191599.20

Interest paid will be = 191599.20-100000=91599.20 dollars

<u>Case B:</u>

15-year mortgage at a rate of 7 %.

Here everything will be same as above. Only n will change.

n = 15\times12=180

Putting the values in formula we get;

\frac{80000\times0.005833\times(1+0.005833)^180}{(1+0.005833)^180-1}

= \frac{80000\times0.005833\times(1.005833)^180}{(1.005833)^180-1}

Monthly payment = $719.04

Total amount paid in 15 years will be = 719.04\times180=129427.20

Interest paid will be = 129427.20-100000=29427.20 dollars

4 0
3 years ago
Rachel took a two-day road trip last weekend. She drove 65 miles less on Sunday than she did
Sav [38]

Answer:

I believe the answer is 186.5 miles were driven on Sunday and 251.5 miles on Saturday. The total amount of miles driven was 483 miles

Step-by-step explanation:

So if Rachel drove 65 miles less than she did on Saturday and Twice the miles she drove on Sunday was 373, we would divide 2 from 373 which gives us 186.5 miles on Sunday. Because she drove 65 miles less on Sunday than she did Saturday, then she drove 251.5 miles on Saturday. If you needed the total amount of miles she drove then we would just add 186.5 miles to 251.5 miles to get an answer of 483 total miles.

4 0
3 years ago
There are three cardinals, five sparrows and four finches near a bird feeder. If a sharp shunned hawk randomly selects one song
Hoochie [10]

Answer:

1/4

Step-by-step explanation:

The probability of it being a cardinal is the number of cardinals / the total number of possible birds the hawk could eat.

There are 3 + 5 + 4 = 12 total birds near the bird feeder.

There are 3 cardinals.

So the probability is 3/12 = 1/4 that the cardinal is eaten!

8 0
3 years ago
423 times 28 in grid method
agasfer [191]

Answer:

Step-by-step explanation:

7 0
3 years ago
2. A rectangle has a perimeter of 100. Its
slava [35]

Answer:

Option H

Step-by-step explanation:

Perimeter of rectangle= 2(length) +2(width)

100= 2(5a -22) +2[½(a +1)]

Expand:

100= 2(5a) +2(-22) +a +1

100= 10a -44 +a +1

Simplify:

100= 11a -43

+43 on both sides:

11a= 100 +43

11a= 143

Divide both sides by 11:

a= 143 ÷11

a= 13

Thus, option H is correct.

8 0
3 years ago
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