I believe the formula is lxwxh if so it's 20 x 30 x 4= 2400 i hope this helped
In the age group 13-18 23 people liked adventure or biography
Distribute Property 5(x+6) basically means 5×x + 5×6 = 5x+30
37= -3+5x+30 (subtract 30 on both sides)
7=-3+5x (add three on both sides)
10= 5x (divide 5 on both sides)
x=2