At the beginning of 6th grade, the ratio of the number of advanced math students to regular math students was 3:8. After taking the placement tests, students were moved around, changing the ratio to 4:7. How many students started in regular and advanced math if there were 92 students in advanced math after placement?

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The total students were 253. 23 students had moved from regular math to advanced math.

mini · Answer

Initially, there were approximately 56 advanced math students and 134 regular math students. After some students were moved, there were 92 students in advanced math and 161 in regular math. This shows how the total ratio changed from 3:8 to 4:7 after placement tests. 
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