There are 45 students in mr. griffin's class. one day, 27 students played the drums. what was the ratio of students who played the drums to the students who did not play the drums?

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?