a ll s t u d e n t s = g i r l s + b oys a ll s t u d e n t s = 15 + 35 = 50 40% o f 50 40% ∗ 50 = 0 , 4 ∗ 50 = 20 50 − 20 = 30 30 s t u d e n t s d o n ′ t t ak e t h e b u s .
30 students not take bus to school . ;
There are 30 students who do not take the bus to school. This is found by calculating the total number of students and determining how many take the bus based on the percentage provided. Finally, subtracting the number of bus riders from the total gives us the number of students who do not take the bus.
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