Answer:
x = 36
Step-by-step explanation:
<em>A triangle has 180°</em>.
That <em>third angle is 360 - 8x</em>.
So the equation is: <em>180 = 2x + x + 360 - 8x</em>.
Simplify: 180 = -5x + 360
Add/Subtract: 5x = 180
Divide: x = 36.
<u>Answer
</u>
<h3>$20.16
</h3>
<u>Solution
</u>
The cost of 2.5 pounds of cheese is $5.60. From the given data we can find the cost of 1 pounds of cheese.
The cost of 1 pounds of cheese = $5.60./2.5 =2.24
Mrs Peterson bought 9 pounds of cheese for her deli
we need to find cost of 9 pounds of cheese .
So she spends total = 2.24 x 9 = $20.16