Question

please answer my question briefly fast I cannot understand this question​

Answer 1

Answer:

Hey there

Step-by-step explanation:

Let the total marks be x

so

20% of x+10=42-12% of x

20x/100+10=42-12x/100

20x/100+12x/100=42-10=

32x/100=32

x=100

therefore total marks =100

and passing marks =42-12(100)/100=

32

that means passing marks = 32

hope it helps