Answer: $242.25
Step-by-step explanation: 20% off of .47 is around .32
$281.93-$40+.32= $242.25
You can use a plot diagram to plot the points and if they all go straight through the origin then it is proportional :)
<h2>
Answer</h2>
The expression is

<h2>
Explanation</h2>
Step by step conversion is as following;
1 USD = 1.38 AUD, or its reciprocal
Where,
1.38 recent currency rate
AUD = Australian dollar
USD = US dollar
So, by rearranging

Then

The answer is

Answer:
The answer is y=5
Step-by-step explanation:
9x=-18
x=-2
-2+9y=43
9y=45
y=5
Answer:
P = 6w + 18
Step-by-step explanation:
A rectangle is a plane shape having a LENGTH and a WIDTH.
Length (l) = w + 4
Width (w) = 2w + 5
To write a simplified equation in terms of w to represent the total length, let's used the idea of a PERIMETER of a RECTANGLE.
Perimeter (P) = 2 ( l + b)
Where l = length= w + 4
Where b = width = 2w + 5
P = 2( w + 4 + 2w + 5)
P = 2( 3w + 9)
P = 6w + 18