I think 20 gifts would be exchanged because each family member has to exchange 1 gift to everyone
2.105,2.15,2.428 (17/7),2.7 is your answer
Answer:
The pants will either be 25.50 or 4.50. Sorry I'm not sure if 15% off 30.00 is the number minus the original price or not.
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1) C. 100
a pentagon has 540 degrees
130 + 130 + 90 + 90 + x = 540
440 + x = 540
x = 100
2) C. 169
a hexagon has 720 degrees
151 + 135 + 115 + 75 + 75 + x = 720
551 + x = 720
x =169
