Arturo O. answered • 08/16/18
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15 x 9 = 1 x 15 x 9 = (3/3) x 15 x 9 = (3 x 15) x (9/3) = 45 x 3
Patricia W.
asked • 08/16/18Who is correctly
15x9 is equivalent to 45x3 because you can multiply one dimension by 3 and divide the it her by 3. His partner said that only works when you double one number and halve the it her. Who is right
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