Answer:
[tex] \frac{selling \: price \: - cost \: price}{cost \: price} \times 100 \\ \frac{sp - 95}{95} \times 100 = 80 \\ open \: the \: bracket \: \\ \frac{100sp - 9500}{95} = 80 \\ 100sp - 9500 = 7600 \\ 100sp = 7600 + 9500 \\ 100sp = 17100 \\ sp = 171[/tex]
