Their error is that they divided 12 by 30, instead of 30 by 12 in order to get the price per pair
the correct unit price is $2.50 per pair
2.5 * 12 = 30
What is the half of the number
Hi there!
7. We need to figure out the value of the missing angle and subtract that from 180 to find the exterior angle.
WORK:
180 - 28 - 58 = 94
180 - 94 = 86
? = 86 degrees.
8. First, we need to figure out the value of the missing angle and subtract the value of the missing angle from 180 to find the exterior angle.
WORK:
180 - 35 - 95 = 50
180 - 50 = 130
? = 130 degrees.
9. To solve for x, we need to set the exterior angle equal to its opposite interior angles and solve.
WORK:
8 + 6x = 30 + 4x + 2
2x + 8 = 32
2x = 24
x = 12 degrees
Hope this helps!! :)
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