The answer given was C but I think E can be the answer if we use plugging in after combining the statements.

Is b even?

  1. 3a + 4b is even
  2. 3a + 5b is even

if we take b as 0 and a as 2 and combine the two statements then b is not even and we don’t get a definite answer. So how can be the answer C here?

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1 Answer(s)

Hi Usha,

0 is an even number.

 

Expert Answered on October 12, 2018.
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