X + 8x = 81
9x = 81, x = 9
y = 8(9), y = 72
Solution: (9, 72)
Im not sure if im correct but I think the answer is 82 hours.
Answer:
<h2>
u = 6.88</h2>
Solution,

Sinplify the equation using cross multiplication

Calculate the product

Divide both sides of the equation by 17

Calculate

Hope this helps...
Good luck on your assignment..
The new perimeter of the rectangle if the dimensions are quadrupled would be 72 inches.
<h3>What are the side lengths of the first triangle?</h3>
The perimeter is always obtained by adding all the sides. This means the possible side lengths of the original rectangle are:
- 5 inches + 5 inches + 4 inches + 4 inches
<h3>What are the side lengths of the new triangle?</h3>
5 inches x 4 = 20 inches
4 iches x 4 = 16 inches
<h3>What is the new perimeter?</h3>
20 + 20 + 16 +16= =72 inches
Learn more about perimeter in: brainly.com/question/6465134
Answer:
y = 3x + 11
Step-by-step explanation: