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If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=A.1B.3C.10D.11E.30

If 0.2t=2.2-0.6s and 0.5s=0.2t +1.1,then s=

A.1

B.3

C.10

D.11

E.30

请帮忙给出正确答案和分析,谢谢!

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