The table below shows the ratios of black to white keys on pianos of various sizes.

Question

Black A 27 54 81
White 13 B 78 C

Determine which table has the correct values for A, B, and C.

Black 8 27 54 81
White 13 40 78 119

Black 9 27 54 81
White 13 52 78 104

Black 9 27 54 81
White 13 39 78 117

Black 18 27 54 81
White 13 26 78 130

Answer 1

The correct values for A, B, and C are:

A = 27
B = 52
C = 104

Therefore, the correct table is:

Black 9 27 54 81
White 13 52 78 104