Answer:
Solution not exists.
Step-by-step explanation:
Since in a certain step a certain amount divided by zero, an that stage the quentity is undefined. That is if,

Then, at the next stage,
is not exists, wheather after it divided by 1 or not. Thus required solution is not exists.
What thing do we need to do
Answer:
x=75°and y=x= 75°
Step-by-step explanation:
Reason: opposite angles are equal and how I got 75 is by drawing an extension line and finding the other angle (i.e. angle on a straight line=180) so 180-105=75.
2:3
1) multiply the first number (boys) by 4 to get 8
8:3
2) multiply second number by 4 as well
8:12
Answer: 12 girls
Answer:6 and 7
Step-by-step explanation: