how is the volume of a solution used in calculating concentration?
Pretty sure its D . the amount he charges for his service and hours must be less than or equal to 225
The answer is 3/7, 5-2=3 and 10-3=7
Triangles ABD and BCD are similar, because they are both right and share a common angle, and thus all three angles are equal.
This means that we can set the proportion

Plug the numbers and we have

Solve for
:
