The product of eight hundred and a number
2 answers:
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Answer:
Step-by-step explanation:
Given
Required
The inequality
From the question, we understand that;
the number of p used is more than the number of s
<em>more than means greater than.</em>
So, the inequality is:
To represent this on a number line.
First, we identify the position of s (i.e. scarf)
implies that p is any point to the right of s
In order to determine the balance of the account, use the following formula for the amount of money obtained after t years, basen on a compound interest:
where,
P: principal = $12,500
A: amount earnt after t years = ?
r: interest rate in decimal form = 0.045 (4.5%)
n: times at year for the compund interes = 4 (quaterly)
Replace the previous values of the parameters into the formula for A and simplify:
Hence, the balance after 8 years is approximately $17,880.64 in the account.
The interest earnt by the account is given by the difference between the previous result and the principal invesment:
I = $17,880.64 - $12,500 = $5,380.64
Hence, the interest earnt is $5,380.64