This depends on the equation.
941/2
2 can go into 9 ,4 times remainder is one bring down the 4 that would be 14, 2 can go into 14 ,7 times bring the 1 down 2 can go into 1 ,0.5 times answer is 47.5
The fourth one best summarizes the passage
The probability of selecting a black or blue pen is 4 out of 13. You calculate this by adding the amount of pens together and comparing it to the total amount of pens and pencils in the cup.