Elena has $225 in her bank account. She takes out $20 each week for w weeks. After w weeks she has d dollars left in her bank ac
2 answers:
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<u>Answer-</u>
<em>$23377</em><em> must be deposited to get $68000 at the end of 30 years.</em>
<u>Solution-</u>
We know that for compound interest,
Where,
A = Future amount = $68,000
P = ??
r = 3.575% annual = 0.03575
n = 4 as interest is compounded quarterly
t = time in year = 30 years
Putting the values,
Therefore, $23377 must be deposited to get $68000 at the end of 30 years.
Answer:
The rate of change of area is 35360 m /year
Step-by-step explanation:
Let the width of rectangle be w
We are given that a rectangle that is twice as long as it is wide
So, Length of Rectangle = 2w
Area of rectangle A = Length \times Breadth =
Differentiating area with respect to time
We are given that and w = 260
Hence the rate of change of area is 35360