Answer:
d is 18, a is 11, c is 9 and b is 12
Step-by-step explanation:
i think its this, although im only really sure for d.
im 50 percent sure with the others as they add to 50


➼ 
➼ 
➼ 
➼ 
Therefore, the value of n is 30.


✒ 
✒ 
✒ 
Hence verified.

Answer:
72
t
Solution:
8(9)
t
If he can run more than 9 laps today, but might not, then the total number of minutes can be more then or equal to nine laps.
Answer:
Possible factors for 8100:
2
3
4
5
6
9
10
I hope it will help you!