Answer: 
<u>Step-by-step explanation:</u>

.75 Rounded to the nearest thousandth would be 0.750
<span>This must be your answer:
Expanded: 1/5 x 10x + 1/5 x -25 </span>
Answer:
d=2
Step-by-step explanation:
SHOWN BELOW
Answer: 12 blue marbles
Step-by-step explanation: Set up a proportion.
4/5 = x/15
Solve for x, the number of blue marbles. Cross multiply. You will get 60 = 5x
Divide by 5 on each side.
x = 12
There are 12 blue marbles.