What's the sum of 2⁄5 and 2⁄4?

a. 10⁄20
b. 8⁄20
c. 6⁄7
d. 9⁄10

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?