. If there are 20 girls in a class of 30 students, find out the percentage of boys in the class?

10

Step-by-step explanation:

because there are 20 girls and 10 boys = 30

If there are 20 girls in a class of 30 students, find out the percentage of boys in the class?

>> If the class has 30 students and 20 girls then;

>> Therefore;

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why can't you?

step-by-step explanation:

b i think

step-by-step explanation:

not really sure