In math class, 4 students complete individual surveys to determine the percentage of high school teachers that have a second job. which two surveys show proportional results

If your surveys are the following:
A. A survey of 110 teachers showed that 28 of them have a second job. 
B. A survey of 90 teachers showed that 27 of them have a second job. 
C. A survey of 70 teachers showed that 21 of them have a second job. 
D. A survey of 80 teachers showed that 32 of them have a second job. 

Then the answer is B and C

now i kniw my abcs next time wont u sing with me