Answer:
55.9% of the class are girls
Step-by-step explanation:
19/34 = 0.559
0.559 x 100 = 55.9%
Answer:
6
Step-by-step explanation:
First, subtract 9 on both sides:
d+9-9=15-9
d=6
Hope this helped!
Answer:
3 students
Step-by-step explanation:
There are 30 students in Mrs. Woodward’s class.
of the class has their own cell phone, so

students have their own cell phones.
of those 6 students are allowed to use social media. So,

students are allowed to use social media.