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Let the capital letters A and B be single digits that form a two-digit number when concatenated as shown below.

\(\large AB = 2 × A × B\)

 

What are A and B?

 Jul 10, 2020
 #1
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AB = 2 x A x B

A =3   and   B =6

36 = 2 x 3 x 6

36 = 36

 Jul 10, 2020

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