Final answer:
To find the number of seventh graders who have taken piano lessons, we calculate 36% of 350, which results in 126 students.
Step-by-step explanation:
To find the number of seventh graders who have taken piano lessons at the middle school, we need to calculate 36% of the total number of seventh graders. The total number of students in the seventh grade is given as 350.
Now let's calculate:
Number of students who have taken piano lessons = 36% of 350 = 0.36 × 350 = 126
The correct answer is:
c. 126 students