Question

70% of 32 students are good in science.
How many are not good in science?​

Answer 1

70% of 32 Students Are Good In Science.

Which Means, 100 - 70 % are Not Good In Science.

i.e. 30% are Not Good In Science .

Total Students = 32

No. Of Students whom are good in Science :-

70% of 32

$32 \times \frac{70}{100}$

Therefore, 22 Students Are Good in Science.

No. Of Students whom are not good in Science :-

30% of 32

$32 \times \frac{30}{100}$

Therefore, 10 Students Are Not Good in Science.

$Thanks$