1 Answer

Daddyboy · Answer 1 · 2023-04-21T07:30:36+0000

Given:

The original amount = $6600.

Interest = 21 %.

Aim:

We need to find the year-end amount.

Step-by-step explanation:

a)

$We\text{ know that year-end amount = original amount+21 \% of the original amount.}$

$Y\text{ear-end amount = original amount+}(21)/(100)\text{ }*\text{original amount.}$

$Y\text{ear-end amount = original amount+0.21 }*\text{original amount.}$

Take out the common term that is the original amount.

$Y\text{ear-end amount = }(\text{ 1+0.21 })*\text{original amount.}$

$Ye\text{ar-end amount = }(\text{ 1.21 })*\text{original amount.}$

$Y\text{ear-end amount = 1.21 }*\text{original amount.}$

b)

$Y\text{ear-end amount = 1.21 }*\text{original amount.}$

Substitute original amount = $6600 in this equation.

$Y\text{ear-end amount = 1.21 }*6600$

$Y\text{ear-end amount = \$ 7986}$

Final answer:

$Y\text{ear-end amount = 1.21 }*\text{original amount.}$

$Y\text{ear-end amount = \$ 7986}$

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