Answer:7
Step-by-step explanation:
7,because 30-1/2=7
Half of 30 students would be 15 (30 / 2 = 15)
One third of 15 is 5 (15 / 3 = 5)
15 students have cellphones, 5 of them are allowed to use social media.
Answer:
Option c is right:
(-6 , 2)
( -6 , 2)
7