Question

The percentage discount offered for "Buy 6 get 1 free is" ?
A) 85.78 %
B) 58. 48 %
C) 19.25 %
D) 14.285 %

Answer 1

$6 + 1 = 7 \: then \\ \%discount = \frac{1}{7} \times 100 \\ = 14 \frac{2}{7} = 14.28\%(d)ans.$