The sale price of the table = 115 x 0.80 = $92
The total price including the tax = 92 x 1.075 = $98.90
Answer = $98.90
Answer:
$315
Step-by-step explanation:
You are going to want to use the simple interest formula for this. The one below is modified for solving the interest earned.

<em>I = interest amount</em>
<em>P = principal amount</em>
<em>r = interest rate (decimal form)</em>
<em>t = time</em>
<em />
Now we can plug in the values into the equation:


This means that Rachel earned $315 worth of interest in the 15 year period.
Answer:
let the angles be 7x , 13x , 16x
7x + 13x + 16x = 180 ( sum of angles in a triangle is 180 degree)
36x = 180
x = 180 / 36
x = 5
therefore the angles are:
7 X 5 = 35 degree
13 X 5 = 65 degree
16 x 5 = 80 degree
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