What is the value of x
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x = 39

Step-by-step explanation:

Sum of interior angles in a triangle = 180

so

x + 102 + 39 = 180

x + 141 = 180

x = 180 -141

x = 39

to find the unit price, we must figure out the cost of one item (in this case one dish towel).   to do this, we divide the total price ($7.92) by the number of items bought (for this problem it is 8, because there are eight dish towels in one pack).  

$7.92/8 = $0.99

therefore, the unit price, or the price of one dish towel, is $0.99.

hope this !