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In Mathematics / High School | 2014-05-06

Miller School has 2 boys for every 3 girls in the fifth grade. There are 120 students in the fifth grade.

How many girls are there? How many boys are there?

Asked by franklin2107

Answer (2)

b − b oys g − g i r l s g b ​ = 3 2 ​ → b = 3 2 ​ g b + g = 120 → 3 2 ​ g + g = 120 3 2 ​ g + 3 3 ​ g = 120 3 5 ​ g = 120 / ⋅ 5 3 ​ g = 72 b = 3 2 ​ ⋅ 72 = 2 ⋅ 24 = 48 A n s w er : 48 b oys an d 72 g i r l s .

Answered by Anonymous | 2024-06-10

There are 72 girls and 48 boys in the fifth grade at Miller School based on the given ratio. The ratio of boys to girls is 2 to 3, and there are a total of 120 students. By using algebraic equations, we determined the exact numbers of each gender.
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Answered by Anonymous | 2024-10-01