Question

If the balance at the end of eight years on an investment of $630 that has been invested at a rate of 9% is $1,083.60, how much was the interest?

Answer 1

Answer:

$453.60

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Answer 2

Answer:

Interest = $453.60

Explanation:

From the question, we have

Principal (p) =  $630

rate = 9% = 0.09

time = 8 years

Interest,

$I = p*r*t \\I = 630*.09*8 \\I = 453.60$

Interest = $453.60

Multiplication:

In mathematics, multiplying two or more numbers gives the product of the numbers. It is one of the basic mathematical operations that we carry out on a regular basis. The most obvious application is using multiplication tables. The multiplication of two numbers in mathematics represents the repeated addition of one number in respect to another. These numbers can be natural numbers, whole numbers, fractions, integers, or other types of numbers. When m is multiplied by n, m is either multiplied by n times or added to itself n times. Similar to how integers are multiplied, decimal products are calculated in the same way. The decimal point (.) must be taken into account after multiplication.

To learn more about multiplication visit:

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