Ina survey 7 out of 8 dentists recommend a protooth toothbrush. Based on this information

Answer:
The answer is C.
Step-by-step explanation:
since the values are not all very complementary to each other, you need to find the percentanges of each of them.
7/8 = 87.5%
Option A:
(18/24) x 100% = 75% (not the same)
Option B:
(33/40) x 100% = 82.4% (not the same)
Option C:
(56/64) x 100% = 87.5% (same value)
Option D:
(70/88) x 100% = 79.5% (not the same)
Therefore, the asnwer is C.