-2 = 39x ? Are you sure this is right? I'm willing to help!
Answer:
500 liters
Step-by-step explanation:
P=k/V
10=k/150
1500=k
k=1500
3=1500/V
3V=1500
V=500
Step-by-step explanation:
2*5*9*x = 540
x = 540/90 = 54/9 = 6
option D
Answer:
Each book weighs 2.5 pounds.
Step-by-step explanation:
75/2.5 is 30. Or you could also get the answer by 30* 2.5 which it would be 75. So, therefor, the answer is 2.5.