The answer is: [D]: 50 .
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Explanation:
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6% of what number is 3?
6/100 * n = 3 ?
0.06 * n = 3 ?
n = 3 / (0.06) = 50 ; which is Answer choice: [D].
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I would say 2 because it says he calculated his 2- score.
To get the answer you have to do 12 divided by 8
12/8=1.5
So everyone got 1 and 1/2 pizzas per person
Answer:
The area after 9 years will be 1,234 km^2
Step-by-step explanation:
In this question, we are tasked with calculating what the area of a certain forest that decreases at a certain percentage would be after some years.
To answer this question, we shall be using an exponential approximation.
Now, to use this exponential approximation, we shall be needing a supporting exponential mathematical equation.
This can be written as;
A = I(1-r)^t
where A is the new area we are looking for
I is the initial area which is 1700 according to the question
r is the rate of decrease which is 3.5% = 3.5/100 = 0.035
t is time which is 9 years according to the question
We plug these values and have the following;
A = 1700(1-0.035)^9
A = 1700(0.965)^9
A = 1,233.66
This is 1,234 km^2 to the nearest square kilometer
