SOLUTION: a ceramics class has 75% girls and 25% boys.If there are 21 girls in the class how many boys are there in the class?

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Question 381428: a ceramics class has 75% girls and 25% boys.If there are 21 girls in the class how many boys are there in the class?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
.75x=21
x=28 kids in the class
28*.25=7 boys in the class.
.
Ed