contestada

When a math class took a test, 15% of the class failed, 25% made some mistakes (but didnt fail), and 24 students got perfect scors. how many students were in the class?

Respuesta :

Answer:

40

Step-by-step explanation:

60%=24

1%=1÷60×24

1%=0.4

100%=0.4×100

100%=40

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