Liam and Evan are mixing paint. Liam uses 2 quarts of yellow paint and adds 314 jars of blue paint. Evan uses 12 quart of yellow paint and adds 512 jars of red paint. They end up with the same volume of paint.

Part A
Which equation represents the situation?
2x+314x=12x+512x
2+314x=12+512x
2x+314y=12a+512b
2+512x=12+314x
Part B
What volume of paint did each boy mix?
−23 quart
23 quart
112 quarts
416 quarts