G, you were on the right track! Just finish the problem - 15x=2250. Divide both sides by 15, and you get 150. Hope I helped! :)
Answer:

Step-by-step explanation:
A recipe for sparkling grape juice calls for 1.5 quarts of sparkling water and 3/4 quart of grape juice.
The ratio of sparkling water to grape juice is

So, to make 100 quarts of punch you need x quarts of grape juice and 2x quarts of sparkling water.
Hence,

The measure of "angle 1" is 33 degrees. You can tell by subtracting 90 degrees (which refers to the figure) and the measure of "angle 2" which will look something like this:
90 - 57 = 33. Don't forget to add the "degrees" because it will be counted wrong if you don't label your numbers/angles.
I hope this is the answer you were looking for and that it helps!! Also if you are still confused, don't be afraid to ask for more help. I'm always available!! :)