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4 votes
A: 10
B: 70
C: 30
D: 90

A: 10 B: 70 C: 30 D: 90-example-1
User Shawn K
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1 Answer

6 votes
A. 10

because 80 - 10 = 70 & 90 - 2(10) = 70
User Bzmw
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