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Mathematics 18 Online
OpenStudy (anonymous):

What is missing for the following quantity to be true? (4x * 2y) * 5 = _ (2y * 5) 2y 4x 5 6y

jimthompson5910 (jim_thompson5910):

hint: (a*b)*c = a*(b*c) this is the associative property of multiplication

OpenStudy (anonymous):

Is it 4y?

jimthompson5910 (jim_thompson5910):

4y isn't even an option

jimthompson5910 (jim_thompson5910):

but I think I know what you meant to say

OpenStudy (anonymous):

Sorry 4x is what I meant to type.

jimthompson5910 (jim_thompson5910):

yes, 4x is the answer

OpenStudy (anonymous):

Thanks @jim_thompson5910 :)

jimthompson5910 (jim_thompson5910):

you're welcome

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