Parenthesis according to the PEMDAS rule
So
7(x - 4) = 84
Would be
7x -28 = 84
Hope this helped :)
Answer:
Ratio of girls to students = 4 : 7
Step-by-step explanation:
Number of boys= 12
Number of girls= 16
Total number of students= 12+16= 28
Number of girls to number of students=
= 
Ratio of girls to students = 4:7
<em>Hope this helps.</em>
Answer:
16x/5
Step-by-step explanation:
This is a 30.91837% decrease, so approximately a 31% decrease from 98 to 67.7.
Answer:
???ummm no details
Step-by-step explanation: