Four DVDs cost $84. If each DVD costs the same, how much does one DVD cost
1 answer:
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Answer:
$ 99.60
Step-by-step explanation:
Thinking process:
According to financial data, the inflation rate in 1995 was at 2.5 %.
In 2016, the inflation rate was at 2.1 %
The difference was: 2.1 - 2.5 = -0.4 %
The price in 2016 = Original price - Adjusted price
Adjusted price =
The new price will be
The new price will be $ 99.60
Hello!
First of all we solve for the slope as seen below.
Our slope is -4.
Now we substitute a point from our equation into slope intercept form, along with the slope. Then we solve for b. We will use (-4,-5)
-5=-4(-4)+b
-5=16+b
b=-21
Our final equation is shown below.
y=-4x-21
I hope this helps!
First of all we solve for the slope as seen below.
Our slope is -4.
Now we substitute a point from our equation into slope intercept form, along with the slope. Then we solve for b. We will use (-4,-5)
-5=-4(-4)+b
-5=16+b
b=-21
Our final equation is shown below.
y=-4x-21
I hope this helps!