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Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys
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Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

User Ryan Wilson
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2 Answers

3 votes
29 girls per 87 Boys
User Feuermurmel
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3 votes

Answer:

In a class of 87 boys, there will be 29 girls.

Explanation:

Givens

Ratio

25 girls

75 boys.

Class size = 87 boys

Proportion

25 girls /75 boys = x / Class Size

Solution

Class size = 87 boys

25/75 = x / 87 Multiply both sides by 87

25 * 87 / 75 = 87 x/ 87 Multiply 87 *25

2175 / 75 = x Divide by 75

29 = x

User Spandan
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