Enrollment at Roosevelt Middle School is being reviewed by the school staff. The table gives the numbers of boys and girls in grades 6 to 9.

Grade Girls Boys
6 9 12
7 12 18
8 15 20
9 25 36

In which two grades is the relationship between the numbers of girls and boys proportional?

Question

Enrollment at Roosevelt Middle School is being reviewed by the school staff. The table gives the numbers of boys and girls in grades 6 to 9.

Grade	Girls	Boys
6	             9	12
7	           12	18
8	           15	20
9	           25	36

In which two grades is the relationship between the numbers of girls and boys proportional?

dude · Answer

Well something that could help is to simplify the ratios given for each grade

From then you can compare and see which are similar

Maxine · Answer

I'm still confused

dude · Answer

$\dfrac{9~girls}{12~boys}$

What does this simplify to?

Maxine · Answer

The answers are 3, 6, 5, and 11

Maxine · Answer

oh now I see

Maxine · Answer

thx