Eric and Emmet were playing a math game. Eric had 2 points for every 1 points Emmet had. When Emmet scored 30 more points, he then had twice as many points as Eric. How many points did Eric have?
+591 lets say emmet has e points. this means Eric has 2e points.
2e$\cdot$2=e+30
3e=30
e=$\boxed{10}$
