Question

if 70% of students are good at science out of 20 students then the number of students not good at science is
a-7
b-6
c-5
d-8​

Answer 1

Answer:

6

Step-by-step explanation:

20 x 70/100 = 14

14 students are good at science

Number of students not good at science

=20 - 14

= 6

Answer 2

Answer:

no. of student good at science = 70% of 20

70/ 100 × 20= 14

no. of students not good at science= 20-14

= 6.

therefore, right answer = 6