R+5=3r+7
-5 -5
r=3r+2
-3r -3r
-2r=2
÷-2 ÷-2
r=-1
Area =lw
=2x (8+1)
=2x (9)
=18x
therefore the area is 18x

<h2>
Explanation:</h2>
in this problem we have the following expression:

So here:

Let's convert them as improper fractions:

Rewriting our expression:

<h2>Learn more:</h2>
Simplify: brainly.com/question/10644722
#LearnWithBrainly
Answer:
$50.4
Step-by-step explanation:
12% of 45 is 5.4
5.4 + 45 = 50.4
Hope I helped! Have a great day :)
If the tax rate is 8%, we need to find 108% of the price, or 330 times 1.08, which is $356.4