11. On a recent test, some questions were worth 2 points each and the rest were worth 3 points each. Tuan answered correctly the same number of 2-point questions as 3-point questions and earned a score of 60 points. How many 3-point questions did he answer correctly ?

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation

Suppose he answered x 3-point questions correctly, then 3x+2x=60, x=12, so choose D