Sum of all the interior angles = (5-2)x180 = 540°
540 - 100 - 120 - 100 - 90 = 130°
So the last unknown angle in the polygon is 130°
Sum of all the adjacent angles on a straight line is 180°
Angle 1 = 180 - 130 = 50°
Answer:
$1.34
Step-by-step explanation:
He bought a bag of popcorn for $1.68 and a 15-pack of juice bottles.
The total cost before tax was $21.78.
Let the number of juice bottles = x
Hence, our Equation is given as:
$1.68 + 15 × x = $21.78
$1.68 + 15x = $21.78
Collect like terms
15x = $21.78 - $1.68
15x = $20.1
x = $20.1/15
x = $1.34
Therefore, the cost for each bottle of juice = $1.34
