Question

to pass science, a student must earn at least a grade of 70. how many students failed this science class? science grades bar graph with x - axis grades (50 - 59, 60 - 69, 70 - 79, 80 - 89, 90 - 100) and y - axis number of students (0 - 9). 50 - 59: 2 students, 60 - 69: 5 students, 70 - 79: 8 students, 80 - 89: 5 students, 90 - 100: 2 students

Explanation:

Step1: Identify failing grade ranges

Failing grades are < 70, so use 50-59 and 60-69.

Step2: Get students in each range

50-59: 2 students; 60-69: 5 students

Step3: Sum failing student counts

$2 + 5 = 7$

Answer:

7