What is bigger 4/5 or 8/10

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

2x minus y equals 6, x plus y equals negative 3