Question

URGENT PLEASE HELP ME :)) x

Answer 1

Answer:

x + 31$\frac{1}{2}$

Step-by-step explanation:

P = x + 2/(21 - 2x) + x + 2/(21 - 2x) + x + 2/(21 - 2x) + x

= x + 21/2 - x + x + 21/2 - x + x + 21/2 - x + x

= x + 21/2 + 21/2 + 21/2

=x + 31$\frac{1}{2}$