a survey was conducted with high school students in each grade to see how many prefer math or english. some…

a survey was conducted with high school students in each grade to see how many prefer math or english. some of the data are shown below. which statements are true? check all that apply. twenty - three ninth graders and fifteen eleventh graders prefer math. fourteen eleventh graders prefer math and eight tenth graders prefer english. thirty - five twelfth graders prefer math and nine tenth graders prefer english. twenty - three ninth graders and thirty - five twelfth graders prefer math. eighteen tenth graders prefer english and fourteen eleventh graders prefer math.
Answer
Explanation:
Step1: Calculate number of ninth - graders who prefer math
We know the total number of ninth - graders is 63 and 40 prefer English. So the number of ninth - graders who prefer math is $63 - 40=23$.
Step2: Calculate number of tenth - graders who prefer English
The total number of tenth - graders is 26 and 18 prefer math. So the number of tenth - graders who prefer English is $26 - 18 = 8$.
Step3: Calculate number of eleventh - graders who prefer math
The total number of eleventh - graders is 29 and 15 prefer English. So the number of eleventh - graders who prefer math is $29 - 15=14$.
Step4: Calculate number of twelfth - graders who prefer math
The total number of twelfth - graders is 67 and 32 prefer English. So the number of twelfth - graders who prefer math is $67 - 32 = 35$.
Answer:
- Twenty - three ninth graders and thirty - five twelfth graders prefer math.
- Fourteen eleventh graders prefer math and eight tenth graders prefer English.