In one day, missed 6 The 7th graders from a school. This corresponds to 15% of the number of students this year. How many students are there in the 7th year A?

Answer1.

Applying a rule of three:
15% 6 -----
----- x 100%

= X · 15 · 100 6
600 = 15x
x = 600/15
x = 40

R) There are 40 students in the 7th year A.

Answer2.



6 15% ----------------------------------
--------------------------------- x 100%
600 = 15x
x = 600/15
x = 40
40 students