To solve this problem you must apply the proccedure shown below:
1. When you plot the given points, you obtain a trapezoid, therefore, you must apply the formula for calculate the area of a trapezoid, which is:
Where is the larger base,
is the smaller base and
is the height.
2. The dimensions are:
3. Substitute values:
The answer is:
She can pay the loan 18 months.
Step-by-step explanation:
Given,
Tracie has to pay $ 25 each month to pay the loan.
She has $ 450 in her account to pay the loan.
To find the number of months she can pay the loan.
We will apply the <u>unitary method</u>.
$ 25 she can pay in 1 month
$ 1 she will pay in month
$ 450 she will pay in × 450 months.
=
= 18 months