Question

please help
find a price ​

Answer 1

Step-by-step explanation:

$a = \frac{ \sqrt{3} }{7} \\ \frac{7}{a} = b \sqrt{3} \\ \frac{7}{ \frac{ \sqrt{3} }{7} } = b \sqrt{3} \\ 7 \times \frac{7}{ \sqrt{3} } = b \sqrt{3} \\ b = \frac{7 \times 7}{ \sqrt{3} \times \sqrt{3} } \\ b = \frac{49}{3}$