Question

72% of 25 students are good in Mathematics. How many are not good in Mathematics

Answer 1

Answer:

28% of students are not good in mathematics(.100-72)%

7 students are not good in mathematics. (28%*25)

Step-by-step explanation:

Answer 2

Step-by-step explanation:

since the total number of students at 25 the total number of students died in the maths subject are 72% before 25 into 72 by hundred as 22 and 100 get cancelled so it leaves 72 by 4

therefore 18 ×4=72

therefore

18%are good in mathematics