The water will rise 10,000m in 10000000
pretty sure it is C
but i am very good at math
Answer: y=12/5 and P=120
Step-by-step explanation:
Set (10y-4)=(5y+8) which makes y=12/5
Substitute y in for both PS and QR to get 20 and 20
If PQ=2PS, then 2(20)=40. Do the same for SR to also get 40
40+40+20+20=120
