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:

anser is 6.

Step-by-step explanation:

70% of 20 = 14

20-14= 6.

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Answer 2

Answer:

b) 6

Step-by-step explanation:

70% of 20 students are good

good at science = 70/100 *20 = 14

not good at science = 20 - 14 = 6