SOLUTION: There is a class. The ratio is 5 boys to 4 girls. There are 65 boys. How many girls are there?

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Question 166699: There is a class. The ratio is 5 boys to 4 girls. There are 65 boys. How many girls are there?
Answer by nerdybill(7384) About Me  (Show Source):
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There is a class. The ratio is 5 boys to 4 girls. There are 65 boys. How many girls are there?
.
Let g = number of girls in the class
.
4:5 = g:65
or
4/5 = g/65
g = (4*65)/5
g = 260/5
g = 52 (girls in the class)