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The ratio of broken to working piano keys was 2 to 9. If there were 88 keys on the old piano, how many were broken? ?
1 Answer
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- FlorineLv 53 weeks ago
This probably belongs in math section:
2x + 9x = 88
11x = 88
x = 8
Broken = 2x, Working = 9x
Broken = 2 • 8 = 16 broken keys (bad piano)
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