Mathematics, 01.06.2021 18:20 eliarnol9517

) If the pattern shown continues, how many black keys appear on a portable keyboard with 49 white keys? Suggestion: use equivalent ratios or a rate table to confirm your answer.

) If the pattern shown continues, how many black keys appear on a portable keyboard with 49 white k

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) If the pattern shown continues, how many black keys appear on a portable keyboard with 49 white ke...