b + g = 32

2b/3 + 3g/4 + 9 = 32

12(2b/3 + 3g/4) = 12(23)

8b + 9g = 276

b = 32 - g

8(32 - g) + 9g = 276

256 - 8g + 9g = 276

g = 20

32 - 20 = 12

12:20 =

**3:5**Page T.

asked • 08/30/18Your 3rd grade classroom has 32 boys and girls. two-thirds of the boys and three-fourths of the girls are going on a field trip. There are 9 children left. What is the ratio of boys and girls in your class?

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b + g = 32

2b/3 + 3g/4 + 9 = 32

12(2b/3 + 3g/4) = 12(23)

8b + 9g = 276

b = 32 - g

8(32 - g) + 9g = 276

256 - 8g + 9g = 276

g = 20

32 - 20 = 12

12:20 = **3:5**

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