Question

Find n if 5pr=
2 x 6
Pr-1 ??​

Answer 1

Given:

5pr = 2×6;

To find:

pr-1

$= > \frac{12}{5} - 1 \\ = > \frac{12}{5} - \frac{5}{5} \\ = > \frac{7}{5}$

Answer:

7

5