Mathematics, 31.07.2019 20:30 talanna394
Astandard piano has 88 keys. there are 52 white keys and 36 black keys. what is the ratio of white keys to black keys? a. 9 to 22 b. 13 to 22 c. 18 to 26 d. 13 to 9
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Astandard piano has 88 keys. there are 52 white keys and 36 black keys. what is the ratio of white k...
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