Lexical Similarities

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The table above shows the lexical similarities, measured as a percentage of words that are similar, between any two of the four languages A, B, C, and D. For example, the lexical similarity between Language A and Language D is 70. What is the value of

(1) The lexical similarity between B and C is 10 percent greater than that between B and A.

(2) The lexical similarity between C and D is 105% that of the lexical similarity between A and C.