Answer:
so the answer is B
Step-by-step explanation:
x=0, -20/3.
abs(3x+10)=10
3x+10=10, 3x+10=-10
3x=10-10, 3x=0, x=0/3, x=0,
3x=-10-10, 3x=-20, x=-20/3
7 students.
10% of 70 is 7.
