Attempt following question by selecting a choice to answer.
c
A book store has a total stock of 18 books of
5th, 6th, 7th and 8th grades. The table shows the number of books of each grade. Find the number of books of
5th grade.| Grade | Frequency |
| 5th | ? |
| 6th | 6 |
| 7th | 5 |
| 8th | 3 |
c cA.
c8
B.
c4
C.
c7
D.
c3
c
B
Step 1: Number of books in 5th grade = Total number of books - Total number of books in 6th, 7th and 8th grades
Step 2: Total number of books of 6th, 7th and 8th grades = 6 + 5 + 3 = 14[Add the number of books of the three grades.]
Step 3: Number of books of 5th grade = 18 - 14 = 4[Substitute and subtract.]