E
2x - 48 = 10x
-2x -2x
-48 = 8x
/8 /8
-6 = x
if you move all of your x's on to the same side it is easier to solve
X+4x=35-20. 5x=35-20. 5x=15. X=3
$40/12 = unit rate simplify = 10/3
$10/3 per book
18 * 10/3 = $60 for 18 copies
Answer:
B. 624
Step-by-step explanation:
P = ρgh
P = (62.4 lb/ft³) (10 ft)
P = 624 lb/ft²
