to pass science, a student must earn at least a grade of 70. how many students failed this science class…

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

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

Answer

Explanation:

Step1: Identify failing grade ranges

Failing grades are below 70, so ranges 50 - 59 and 60 - 69.

Step2: Find number of students in each failing range

For 50 - 59: 2 students. For 60 - 69: 5 students.

Step3: Sum the number of failing students

Add the two groups: (2 + 5 = 7).

Answer:

7