Answer is 7950,72. You can solve it's task on calculator.
Answer:

Step-by-step explanation:
Given
---- 
--- 

Required
The coordinates of P
This is calculated as:
![P = (\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n}]](https://tex.z-dn.net/?f=P%20%3D%20%28%5Cfrac%7Bmx_2%2Bnx_1%7D%7Bm%2Bn%7D%2C%5Cfrac%7Bmy_2%2Bny_1%7D%7Bm%2Bn%7D%5D)
So:



5.
In 4.75 the 7 makes it round up to 5
Answer:
90 students bring their own lunch
Answer:
6h
Step-by-step explanation:
1 per 10 minutes
that means 6 per hour