Question

40% of 50 students of a class are at science.how many students are not good at science?​

Answer 1

Answer:

40% of 50 students of a class are good at Science. How many students are not good at Science ? (d) 40. = × 50 = 20

Answer 2

Answer:

Step-by-step explanation:

40 % of 50 students are good at science

40 % of 50  = 20

so 20 students are good at science out of 50

students who are not good at science = 50 - 20

                                                               = 30

so 30 students in class are not good at science